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Quick Reference Guide
HP 8590 EM Series EMC Analyzer
ABCDE
HP Part No. 5963-2929
Printed in USA August 1995
Notice
The information contained in this document is subject to change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this material,
including but not limited to, the implied warranties of merchantability and
tness for a particular purpose. Hewlett-Packard shall not be liable for errors
contained herein or for incidental or consequential damages in connection with
the furnishing, performance, or use of this material.
Restricted Rights Legend.
Use, duplication, or disclosure by the U.S. Government is subject to restrictions
as set forth in subparagraph (c) (1) (ii) of the Rights of Technical Data and
Computer Software clause at DFARS 252.227-7013 for DOD agencies, and
subparagraphs (c) (1) and (c) (2) of the Commercial Computer Software
Restricted Rights clause at FAR 52.227-19 for other agencies.
Copyright Hewlett-Packard Company 1995
c
All Rights Reserved. Reproduction, adaptation, or translation without prior
written permission is prohibited, except as allowed under the copyright laws.
1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA
Introduction
This guide provides a quick reference for experienced analyzer users.
Chapter 1 summarizes the front-panel features, and tells how to make a basic
measurement and how to perform the self-calibration routines.
Chapter 2 contains brief descriptions of the EMC analyzer functions.
Chapter 3 contains the remote programming commands.
Appendixes A, B, C, and D contain helpful charts and tables.
Appendix E contains diagrams of the key menus for the HP 8590 EM Series
EMC analyzers.
For additional instrument information, consult the HP 8590 EM Series EMC
Analyzer User's Guide for your speci c instrument.
Guide Terms and Conventions
The six keys along the right side of the display are called softkeys. Their labels
are displayed on the screen. The softkeys appear in shaded boxes in this guide.
An example of a softkey is REF LVL . The labeled keys that are on the front
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panel of the analyzer are called front-panel keys. Pressing a front panel key
changes the softkey labels or initiates functions. The front-panel keys appear in
unshaded boxes in this guide. An example of a front-panel key is 4FREQUENCY5.
Caution The input of the EMC analyzer can be damaged easily. When
using a line impedance stabilization network (LISN) device with
the EMC analyzer, disconnect the analyzer from the LISN device
before changing either the switch position on, or the voltage to,
the LISN device.
iii
NOTES
iv
Contents
1. Getting Acquainted with the EMC Analyzer
Front-Panel Features . . . . . . . . . . . . . . . . . . . . . . 1-1
EMC Analyzer Screen Annotation . . . . . . . . . . . . . . . . 1-4
Making a Basic Measurement . . . . . . . . . . . . . . . . . . 1-7
Performing Self-Calibration Routines . . . . . . . . . . . . . . 1-11
Warm-Up Time . . . . . . . . . . . . . . . . . . . . . . . 1-11
Self-Calibration Routines . . . . . . . . . . . . . . . . . . . 1-11
Self-Calibration Routine Problems . . . . . . . . . . . . . . . 1-12
Performing the Tracking Generator Self-Calibration Routine
(Option 010) . . . . . . . . . . . . . . . . . . . . . . . 1-13
Spectrum Analyzer Mode Screen Annotation . . . . . . . . . . 1-14
2. EMC Analyzer Functions
Analyzer Functions . . . . . . . . . . . . . . . . . . . . . . 2-1
3. Programming Commands
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
How to Use This Chapter . . . . . . . . . . . . . . . . . . . . 3-1
Notation Conventions . . . . . . . . . . . . . . . . . . . . 3-2
Syntax Conventions . . . . . . . . . . . . . . . . . . . . . 3-2
Functional Index . . . . . . . . . . . . . . . . . . . . . . . 3-6
AMPLITUDE . . . . . . . . . . . . . . . . . . . . . . . . 3-6
AUTO COUPLING . . . . . . . . . . . . . . . . . . . . . . 3-7
AUXILIARY CONTROL . . . . . . . . . . . . . . . . . . . . 3-7
BANDWIDTH . . . . . . . . . . . . . . . . . . . . . . . . 3-8
CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . 3-8
COMMAND TRIGGER . . . . . . . . . . . . . . . . . . . . 3-9
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . 3-9
DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
EMC MEASUREMENTS . . . . . . . . . . . . . . . . . . . 3-10
EMC OUTPUT . . . . . . . . . . . . . . . . . . . . . . . . 3-11
FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Contents-1
GRAPHICS . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
INFORMATION . . . . . . . . . . . . . . . . . . . . . . . 3-12
INPUT and OUTPUT . . . . . . . . . . . . . . . . . . . . . 3-13
LIMIT LINES . . . . . . . . . . . . . . . . . . . . . . . . 3-14
MARKER . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
MATH . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
MEASURE/USER . . . . . . . . . . . . . . . . . . . . . . 3-17
MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
OPERATOR ENTRY . . . . . . . . . . . . . . . . . . . . . 3-17
PLOTTER . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
PRESET . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
PRINTER . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
PROGRAM FLOW . . . . . . . . . . . . . . . . . . . . . . 3-18
RECALL or SAVE . . . . . . . . . . . . . . . . . . . . . . 3-19
SIGNAL LIST . . . . . . . . . . . . . . . . . . . . . . . . 3-19
SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
SWEEP . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
SYNCHRONIZATION . . . . . . . . . . . . . . . . . . . . . 3-21
TRACE . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
TRACE MATH . . . . . . . . . . . . . . . . . . . . . . . . 3-22
TRIGGER . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
USER-DEFINED . . . . . . . . . . . . . . . . . . . . . . . 3-23
WINDOWS . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Programming Codes . . . . . . . . . . . . . . . . . . . . . . 3-25
Characters and Secondary Keywords (Reserved Words) Summary . 3-78
A. EMC Analyzer Error Messages
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . A-1
Nonrecoverable System Errors . . . . . . . . . . . . . . . . . A-15
B. AM, FM, and Pulsed RF Reference Charts
C. Cross Reference of Programming Command to Key Function
D. Locating a Softkey
E. Key Menus
Index
Contents-2
Figures
1-1. Front-Panel Feature Overview . . . . . . . . . . . . . . . . 1-2
1-2. EMC Analyzer Screen Annotation . . . . . . . . . . . . . . . 1-4
1-3. Placing the Marker on a Signal . . . . . . . . . . . . . . . . 1-8
1-4. Displaying a List on the Screen . . . . . . . . . . . . . . . . 1-9
1-5. Displaying the List as a Log Graph . . . . . . . . . . . . . . 1-10
1-6. Spectrum Analyzer Mode Screen Annotation . . . . . . . . . 1-14
B-1. Percent Modulation . . . . . . . . . . . . . . . . . . . . . B-2
B-2. Bessel Null Graph . . . . . . . . . . . . . . . . . . . . . . B-4
B-3. Loss in Sensitivity (Pulsed RF versus CW) . . . . . . . . . . . B-5
B-4. IF BW Setting for Pulsed RF Computed from toB = 0.1 . . . . . B-6
Tables
1-1. EMC Analyzer Screen Annotation . . . . . . . . . . . . . . . 1-5
1-2. Screen Annotation for Trace, Trigger, and Sweep Modes . . . . 1-6
1-3. Spectrum Analyzer Mode Screen Annotation . . . . . . . . . 1-15
1-4. Screen Annotation for Trace, Trigger, and Sweep Modes . . . . 1-16
B-1. Determining Amplitude Modulation . . . . . . . . . . . . . . B-1
B-2. Carrier and First Sideband Charts for Calibrating Deviation . . . B-3
C-1. Cross Reference of Programming Command to Key Function . . C-1
D-1. Softkey Locations . . . . . . . . . . . . . . . . . . . . . . D-1
Contents-3
1
Getting Acquainted with the EMC
Analyzer
This chapter provides an introduction to the EMC analyzer's front-panel
features, an explanation of screen annotation, the procedure for making a
basic measurement with the EMC analyzer, and the procedure for performing
self-calibration routines. The EMC analyzer also supplies a spectrum analyzer
operating mode with screen annotation described in \Spectrum Analyzer Mode
Screen Annotation" at the end of this chapter.
Front-Panel Features
The following section provides a brief description of front-panel features.
Refer to Figure 1-1.
1 Front-Panel Display is the area on the front-panel where information is
provided to the user. That information includes:
Active Function Block area. Functions appearing in this block include,
for example, marker, span, center frequency, and reference level.
Message Block area. This block is where MEAS UNCAL and the asterisk
(*) appear. If one or more functions are manually set (uncoupled), and
the amplitude or frequency becomes uncalibrated, MEAS UNCAL appears.
(Press 4AUTO COUPLE5, then AUTO ALL , to recouple functions.) The
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asterisk indicates that the display is not updated for new settings.
Softkey labels. Softkey labels are the annotation on the screen next to
the unlabeled keys. Most of the labeled keys on the EMC analyzer's
front panel (also called front-panel keys) access menus of related
softkeys.
2 Softkeys are the unlabeled keys next to the screen.
Getting Acquainted with the EMC Analyzer 1-1
Figure 1-1. Front-Panel Feature Overview
3 4FREQUENCY5, 4SPAN5, and 4AMPLITUDE5 are the three large dark-gray keys
that activate the primary EMC analyzer tuning functions and access
menus of related functions.
4 4SETUP5 and 4TEST5 are the dark-gray keys that access menus of functions
used to setup the instrument, then make fast and accurate EMC
measurements.
5 INSTRUMENT STATE functions aect the state of the entire EMC
analyzer. Self-calibration routines and special-function menus are
accessed with these keys. The green 4PRESET5 key resets the entire EMC
analyzer state and can be used as a \panic" button when you wish to
return to a known state.
6 4COPY5 key prints or plots screen data. Use 4CONFIG5, Plot Config or
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Print Config , and COPY DEV PRNT PLT before pressing 4COPY5.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1-2 Getting Acquainted with the EMC Analyzer
7 MEASUREMENT CONTROL functions access menus that allow you to
make manual or automated quasi-peak average measurements, adjust the
IF bandwidth, adjust the sweep time, store and manipulate trace data,
demodulate signals, control the markers, control the instrument display,
and make measurements.
8 WINDOWS functions include: 4ON5 to turn on the windows display mode,
4NEXT5 for switching between windows, and 4ZOOM5 for controlling the
zone span and center frequency.
9 DATA keys, STEP keys, and knob allow you to change the numeric value
of an active function.
10 INPUT 50
is the signal input for the analyzer.
Caution Excessive signal input will damage the EMC analyzer input
attenuator and the input mixer. The maximum power that the
EMC analyzer can tolerate appears on the front panel.
11 PROBE PWR provides the power for an active probe and other
accessories.
12 CAL OUT provides a calibration signal of 300 MHz at 87 dBV.
13 VOL-INTEN changes the brightness of the screen display, and the volume
of the speaker.
14 Memory card reader reads from a read-only (ROM) or random access
(RAM) memory card. The memory card reader writes to a RAM card.
15 100 MHz COMB OUT is the output of the comb generator of the
HP 8593EM and HP 8596EM EMC analyzers. The output is used to
perform a CAL YTF .
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16 RF OUT 50
is the output for the built-in tracking generator. Option 010
only.
17 4LINE5 turns the instrument on or o and performs an instrument check.
Getting Acquainted with the EMC Analyzer 1-3
EMC Analyzer Screen Annotation
Figure 1-2 shows an example of screen annotation as it appears on the screen of
the EMC analyzer. Table 1-1 lists the screen annotation features numerically and
refers to Figure 1-2.
Figure 1-2. EMC Analyzer Screen Annotation
In Figure 1-2, item number 19 refers to the trigger and sweep modes of the EMC
analyzer. The rst letter (\F") indicates the EMC analyzer is in free-run trigger
mode. The second letter (\S") indicates the EMC analyzer is in single-sweep
mode. (\C") indicates the EMC analyzer is in continuous-sweep mode.
Item number 20 refers to the trace modes of the EMC analyzer. The rst letter
(\W") indicates the EMC analyzer is in clear-write mode. The second letter (\A")
represents trace A. The next two letters (\SB") indicate the store-blank mode
(\S") for trace B (\B"). The trace mode annotation for trace C is displayed under
1-4 Getting Acquainted with the EMC Analyzer
the trace mode annotation of trace A. In Figure 1-2, the trace C trace mode is
\SC," indicating trace C (\C") is in the store-blank mode (\S").
The WINDOWS display mode splits the screen into two separate displays. Only
one of these displays is active at a time. The currently active window will
have a solid line around the graticule rather than a broken line. The complete
annotation is not available for each window because of space limitations.
Table 1-1. EMC Analyzer Screen Annotation
Item Feature Item Feature
1 reference level 16 threshold
2 active function block 17 corrections factors on
3 time/date and command line 18 amplitude correction
4 screen title factors on
5 autorange 19 trigger
6 active and measurement detector 20 trace mode
7 external preamp 21 display line
8 marker 22 video average
9 softkeys 23 attenuator setting
10 frequency span or stop 24 amplitude scale
frequency
11 sweep time
12 frequency oset
13 AVG bandwidth
14 IF bandwidth
15 center or stop frequency
Getting Acquainted with the EMC Analyzer 1-5
Table 1-2 shows the dierent screen annotation codes for trace, trigger, and
sweep modes.
Table 1-2.
Screen Annotation for Trace, Trigger, and Sweep Modes
Trace Mode Trigger Mode Sweep Mode
W = clear-write (traces A/B/C) F = free run C = continuous
M = maximum hold (traces A/B) L = line S = single sweep
M = minimum hold (trace C) V = video
V = view (traces A/B/C) E = external
S = store-blank (traces A/B/C) T = TV (Option 102 only)
1-6 Getting Acquainted with the EMC Analyzer
Making a Basic Measurement
Basic measurements simply involve tuning the instrument to place a signal on
the screen, then placing a marker on one or more signals, measuring those
signals, and moving those signals to a list.
Caution Do not exceed the maximum input power that is printed on the
front panel of the EMC analyzer.
Let's begin using the EMC analyzer by measuring an input signal. Since the
300 MHz calibration signal (CAL OUT) is readily available, we will use it as our
input signal.
1. Press 4LINE5 to turn the instrument on, and then press the green 4PRESET5
key.
2. Verify that the start frequency is set to 200 MHz and the stop frequency to
1.0 GHz. If not, the instrument has been con gured as a spectrum analyzer.
Press EMC ANALYZER and proceed with the next step.
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3. Connect CAL OUT to the EMC analyzer INPUT 50
connector (on the front
panel) using an appropriate BNC cable and a BNC-to-Type N adapter.
Option 026 only: Connect the SMA (m) to SMA (m) cable to the EMC
analyzer input with an APC-3.5 connector. Connect the cable to CAL OUT
with the BNC-to-SMA adapter.
4. Press 4TEST5. MARKER is now displayed in the active function block, and the
MARKER softkey label appears in inverse video to indicate that the marker is
the active function. Place the marker on a signal by pressing the down 495
keys. Refer to Figure 1-3.
Getting Acquainted with the EMC Analyzer 1-7
Figure 1-3. Placing the Marker on a Signal
5. Press MEASURE AT MKR . In a short time, the measured marker values are
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displayed in the upper-right corner of the display.
6. Press ADD TO LIST . The measure-at-marker results are saved to an
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internal list. Signal Added is now displayed on the screen.
7. Press the up 485 key one or more times to place the marker on a second
signal.
8. Press MEASURE AT MKR , then ADD TO LIST to add the second signal to the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
internal list. Repeat the process and place a third signal in the internal list.
9. To display the list on the screen, press More 1 of 3 , then the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SIG LIST ON OFF softkey. The measure-at-marker results in the form of a
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
list are displayed on the upper portion of the screen. Refer to Figure 1-4.
1-8 Getting Acquainted with the EMC Analyzer
Figure 1-4. Displaying a List on the Screen
10. The list can be graphed on screen in either log or linear frequency scales by
pressing the Save/Rcl List softkey.
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11. Press SAVE LOG GRAPH to view the signals in the list on a log graph. To
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clear the display's active function area, press 4ENTER5 key (front-panel's
lower-right corner). Refer to Figure 1-5.
Getting Acquainted with the EMC Analyzer 1-9
Figure 1-5. Displaying the List as a Log Graph
Note If the EMC analyzer is connected to either a printer or plotter:
a. Press the 4COPY5 key to obtain a printed copy of the graph.
Changing the con guration may be required, or
b. Press the 4OUTPUT5 key to access the softkeys that will help
you:
De ne a report.
De ne a list.
Add up to two pages of text using a keyboard.
12. To return the instrument to a known state, press 4PRESET5.
1-10 Getting Acquainted with the EMC Analyzer
Performing Self-Calibration Routines
The self-calibration routines add osets, called correction factors, to internal
circuitry. The addition of the correction factors is required to meet frequency
and amplitude speci cations.
Warm-Up Time
To meet EMC analyzer speci cations:
1. The EMC analyzer should be stored at a constant temperature, within the
operating temperature range, for at least 2 hours.
2. Turn on the EMC analyzer and allow the EMC analyzer to warm up for
30 minutes.
Note Perform the EMC analyzer self-calibration routines only after
the EMC analyzer has met the speci ed warm-up time. Do not
attempt to make any calibrated measurements until the EMC
analyzer self-calibration routines have been performed.
Self-Calibration Routines
Perform the following steps to self-calibrate the instrument:
1. Connect the CAL OUT connector to the INPUT 50
connector, using an
appropriate cable.
2. Press the following EMC analyzer keys: 4CAL5, CAL FREQ & AMPTD .
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Caution To avoid losing the data when the EMC analyzer is turned o,
press CAL STORE . CAL STORE stores the cal data in the area of
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EMC analyzer memory that is saved when the analyzer is turned
o.
The frequency and amplitude self-calibration routines take approximately
9 minutes to nish, at which time the correction factors will be stored (when
CAL STORE is pressed) in the EMC analyzer's memory.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
The frequency and amplitude self-calibration functions can be done separately
by using CAL FREQ or CAL AMPTD instead of CAL FREQ & AMPTD .
NNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Getting Acquainted with the EMC Analyzer 1-11
If CAL FREQ and CAL AMPTD self-calibration routines are used,
NNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Note
the CAL FREQ routine should always be performed before the
NNNNNNNNNNNNNNNNNNNNNNNNNN
CAL AMPTD routine.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Interrupting the CAL AMPTD , CAL FREQ , or
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNN
CAL FREQ & AMPTD self-calibration routines may result
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
in corrupt data stored in RAM. (If this occurs, rerun the
CAL FREQ & AMPTD routine.)
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When the self-calibration routines have successfully nished, CORR (corrected)
appears on the left side of the screen.
Self-Calibration Routine Problems
If the correction data has been corrupted or is obviously inaccurate, use
CAL FETCH to retrieve the correction data that has previously been saved. To
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
retrieve correction factor data, press 4CAL5, More 1 of 4 , CAL FETCH . If the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
fetched correction data is corrupt, the following procedure can be used to set
the correction data back to predetermined values:
1. Press 4FREQUENCY5, 037 4Hz5, 4CAL5, More 1 of 4 , More 2 of 4 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DEFAULT CAL DATA .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
2. Perform the CAL FREQ and CAL AMPTD routines, or the CAL FREQ & AMPTD
NNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
routine. Be sure CAL OUT is connected to the EMC analyzer input.
Using DEFAULT CAL DATA may cause the self-calibration
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Note
routine to fail (the frequency span error may interfere with
the EMC analyzer routine that locates the 300 MHz calibration
signal). If this occurs, press 4FREQUENCY5, 037 4Hz5, before
performing the CAL FREQ routine, or the CAL FREQ & AMPTD
NNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
routine.
If the self-calibration routines cannot be performed, see the EMC analyzer's
HP 8590 EM Series EMC Analyzer User's Guide.
1-12 Getting Acquainted with the EMC Analyzer
Performing the Tracking Generator Self-Calibration Routine
(Option 010)
To meet the tracking generator speci cations, allow the EMC analyzer to
warm up for 30 minutes after being turned on before attempting to make
any calibrated measurements. Be sure to calibrate the EMC analyzer and the
tracking generator only after the EMC analyzer has met operating temperature
conditions.
Since the CAL TRK GEN routine uses the absolute amplitude
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Note
level of the EMC analyzer, the EMC analyzer amplitude should
be calibrated prior to using CAL TRK GEN .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1. To calibrate the tracking generator, connect the tracking generator output to
the EMC analyzer input connector, using an appropriate cable.
2. Press the following EMC analyzer keys: 4CAL5, More 1 of 4 , More 2 of 4 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CAL TRK GEN . TG SIGNAL NOT FOUND will be displayed if the tracking
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
generator output is not connected to the EMC analyzer input. The cal
process will take approximately 30 seconds.
3. Press 4CAL5, CAL STORE to save this data in the area of EMC analyzer
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
memory that is saved when the analyzer is turned o.
Getting Acquainted with the EMC Analyzer 1-13
Spectrum Analyzer Mode Screen Annotation
Figure 1-6 shows an example of screen annotation as it appears on the screen
of the EMC analyzer when in the SPECTRUM ANALYZER mode. Instrument
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
modes are changed using the 4MODE5 front-panel key. Table 1-3 lists the screen
annotation features numerically and refers to Figure 1-6.
Figure 1-6. Spectrum Analyzer Mode Screen Annotation
In Figure 1-6, item number 21 refers to the trigger and sweep modes of the
spectrum analyzer. The rst letter (\F") indicates the spectrum analyzer is in
free-run trigger mode. The second letter (\S") indicates the spectrum analyzer is
in single-sweep mode.
Item number 22 refers to the trace modes of the spectrum analyzer mode. The
rst letter (\W") indicates the spectrum analyzer is in clear-write mode. The
second letter (\A") represents trace A. The next two letters (\SB") indicate the
store-blank mode (\S") for trace B (\B"). The trace mode annotation for trace C
1-14 Getting Acquainted with the EMC Analyzer
is displayed under the trace mode annotation of trace A. In Figure 1-6, the trace
C trace mode is \SC," indicating trace C (\C") is in the store-blank mode (\S").
The WINDOWS display mode splits the screen into two separate displays. Only
one of these displays is active at a time. The currently active window will
have a solid line around the graticule rather than a broken line. The complete
annotation is not available for each window because of space limitations.
Table 1-3. Spectrum Analyzer Mode Screen Annotation
Item Feature Item Feature
1 detector mode 14 video bandwidth
2 reference level 15 resolution bandwidth
3 time and date display 16 center frequency or
4 screen title start frequency
5 RF attenuation 17 remote operation
6 preampli er gain 18 threshold
7 external keyboard entry 19 correction factors on
8 marker or signal track readout 20 amplitude correction
9 measurement-uncalibrated or factors on
function-in-progress 21 trigger
messages 22 trace mode
10 service request 23 video average
11 frequency span or stop 24 display line
12 frequency 25 amplitude oset
sweep time 26 amplitude scale
13 frequency oset 27 active function block
Getting Acquainted with the EMC Analyzer 1-15
Table 1-4 shows the dierent screen annotation codes for trace, trigger, and
sweep modes.
Table 1-4.
Screen Annotation for Trace, Trigger, and Sweep Modes
Trace Mode Trigger Mode Sweep Mode
W = clear-write (traces A/B/C) F = free run C = continuous
M = maximum hold (traces A/B) L = line S = single sweep
M = minimum hold (trace C) V = video
V = view (traces A/B/C) E = external
S = store-blank (traces A/B/C) T = TV (Option 102 only)
1-16 Getting Acquainted with the EMC Analyzer
2
EMC Analyzer Functions
This section lists the softkey and front-panel functions in alphabetical order.
Next to each key label is a brief description of its function. For more detailed
descriptions, refer to the HP 8590 EM Series EMC Analyzer User's Guide. All
softkeys are shown in the menu diagram in Appendix E of this guide. The
functions accessed by Service Diag and Service Cal are not included in
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
this listing.
Analyzer Functions
NNNNNNNNNNNNNN
% AM determines the percent of amplitude modulation of the largest
displayed signal and its two sidebands.
selects A/m as the transducer conversion units for the antenna
NNNNNNNNNNNNNN
A/m
amplitude-correction factors using magnetic eld units.
selects V/m as the transducer conversion units for the antenna
NNNNNNNNNNNNNN
V/m
amplitude-correction factors using electric eld units.
locks onto harmonic band 0. Harmonic band 0 uses low-pass
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0-2.9 Gz
BAND 0 ltering instead of bandpass preselection. It has a speci ed
tuning range of 0 to 2.9 GHz. HP 8593EM, HP 8595EM, and
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HP 8596EM only.
locks onto harmonic band 1. Harmonic band 1 is preselected
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2.75-6.5
BAND 1 and has a speci ed tuning range of 2.75 GHz to 6.5 GHz.
HP 8593EM, HP 8595EM, and HP 8596EM only.
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locks onto harmonic band 3. Harmonic band 3 is preselected
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12.4-19.
BAND 3 and has a speci ed tuning range of 12.4 to 19.4 GHz.
HP 8593EM only.
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locks onto harmonic band 4. Harmonic band 4 is preselected
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19.1-22
BAND 4 and has a speci ed tuning range of 19.1 to 22 GHz. HP 8593EM
only.
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EMC Analyzer Functions 2-1
allows a 6 dB IF bandwidth of 120 kHz.
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120 kHz
EMI BW
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150 kHz presets the instrument to the prede ned CISPR band B settings
030 MHz
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for EMC measurements.
allows a 6 dB IF bandwidth of 200 Hz.
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200 Hz
EMI BW
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200 MHz presets the receiver to the prede ned settings for EMC
01 GHz
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measurements.
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30 MHz presets the receiver to the prede ned settings for EMC
0300 MHz
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measurements.
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3 dB initiates an automatic 3 dB bandwidth measurement on the
POINTS
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highest peak displayed on screen.
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3rd ORD initiates an automatic frequency and amplitude measurement
MEAS on a third-order product. At least one of the fundamental tones
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and the third-order product must be displayed on the screen.
initiates an automatic 6 dB bandwidth measurement on the
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6 dB
POINTS
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highest peak displayed on the screen.
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6.0-12.8 locks onto harmonic band 2. Harmonic band 2 is preselected
BAND 2 and has a speci ed tuning range of 6.0 to 12.8 GHz.
HP 8593EM, and HP 8596EM only.
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allows a 6 dB IF bandwidth of 9 kHz.
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9 kHz
EMI BW
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9 kHz presets the instrument to the prede ned CISPR band A settings
0150 kHz
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for EMC measurements.
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99% initiates an automatic measurement of the 99% power
PWR BW
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bandwidth of the largest signal displayed on the screen.
!
NNNNNNNNNNNNNNNNNNNNNNNN
A B exchanges the contents of the trace A register with the trace B
register and puts trace A in view mode.
A0B ! A when ON is underlined, subtracts the data in trace B from the
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ON OFF
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measured data in trace A.
!
NNNNNNNNNNNNNNNNNNN
A C copies trace A into trace C.
2-2 EMC Analyzer Functions
NNNNNNNNNNNNNNNNNNNN
ABCDEF accesses the softkey menu for selecting screen title characters
A through F.
allows you to exit from an OUTPUT REPORT or an
NNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Abort
AUTO-MEASURE .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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ADD TO adds a signal to the internal signal list. The signal added is
either for the last MEASURE AT MKR result or the measurement
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
LIST
at the marker position after a stepped measurement. EMC
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analyzer mode only.
activates internal (INT) leveling or external (EXT) leveling.
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ALC
INT EXT Only available in EMC Analyzer measurement mode.
HP 8593EM, HP 8594EM, HP 8595EM, or HP 8596EM with
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Option 010 only.
activates the automatic leveling control (ALC) functions for
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ALC MTR
INT XTAL internal (INT) leveling or external (XTAL or MTR) leveling.
HP 8591EM with Option 010 only.
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saves all the downloadable programs and key de nitions
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ALL DLP
! CARD that are in analyzer memory onto the memory card. If the
downloadable program was stored using a pre x, the le name
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for the downloadable program consists of d(pre x) (register
number). If no pre x was speci ed, the data is stored with the
le name d (register number).
accesses the menus for entering and editing the current
NNNNNNNNNNNNNNNNNNNNNNN
Amp Cor
amplitude-correction factors. This function is supplied to
maintain compatibility with the HP 8590EL Series spectrum
analyzers. The EM-series analyzers also include antenna, cable,
and other amplitude correction factors.
turns the current amplitude-correction factors on and o.
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AMP COR
ON OFF
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AMPL SCL speci es whether the limit line is derived from a logarithmic or
LOG LIN linear amplitude axis. Underline LIN to set the amplitude axis
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to linear or LOG to set the amplitude axis to logarithmic.
4AMPLITUDE5 activates the reference level function and accesses the
amplitude menu.
EMC Analyzer Functions 2-3
accesses a menu to select the desired amplitude units.
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Amptd
Amplitude units can be selected by pressing, dBm , dBmV ,
NNNNNNNNNNN NNNNNNNNNNNNNN
Units
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dBuV , Volts , or Watts .
NNNNNNNNNNNNNN NNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNN
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ANALOG+ turns on the analog+ display mode. This is a digital
ON OFF implementation of an analog display, combining the advantages
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of both types of displays. Requires Option 101 or 301.
allows you to set the HP-IB address of the instrument. The
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ANALYZER
address is set to 18 by pressing DEFAULT CONFIG . Changes to
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ADDRESS
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NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BAUD RATE for option 043.
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ANNOTATN turns the screen annotation on and o when accessed using the
ON OFF 4DISPLAY5 key. When accessed using the 4OUTPUT5 key, turns on
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and o the printing of the annotation.
saves the current antenna amplitude-correction factors to a
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ANTENNA
! CARD card. To save antenna data press, ANTENNA ! CARD . REGISTER
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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# and PREFIX= are displayed on the screen. Use the data keys
to enter the desired register number then press 4ENTER5. The
antenna data is then saved to a card.
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Antenna accesses a menu to turn on, recall, edit, or save antenna
Factors
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amplitude-correction factors. Antenna factors are conversion
factors relating eld strength to measured voltage.
turns on or o antenna amplitude-correction factors.
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ANTENNA
ON OFF
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Antenna accesses a menu of the transducer conversion units for the
Units antenna-correction factors. This speci es the units of the
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physical attribute to which an antenna actually responds and
which will be indicated on the display for reference level,
display line level, threshold level, and marker readouts.
starts the DLP editor function and allows the highlighted item
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APND
CAT ITEM from the catalog of analyzer memory to be appended to the
end of the item that is currently in the analyzer's DLP editor
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memory.
2-4 EMC Analyzer Functions
Caution To prevent damage to the input mixer, the power level at the
input mixer must not exceed +30 dBm. To prevent signal
compression, power at the input to the input mixer must be
kept below 010 dBm.
Note To protect the mixer from possible damage, 0 dB RF attenuation
(no input power reduction to the mixer) can be selected only
from the number/units keypad.
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ATTEN sets the input attenuation in 10 dB increments. The instrument
AUTO MAN
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input attenuator, which is normally coupled (linked) to the
reference level control, reduces the power level of the input
signal at the input mixer. The attenuator is recoupled when
AUTO is underlined. To set 0 dB, 0 then dB must be entered on
the data entry keys.
couples the following functions:
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AUTO
ALL
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intermediate frequency bandwidth
average video bandwidth
attenuation
sweep time
center-frequency step
average-video-bandwidth to intermediate-frequency-
bandwidth ratio.
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AUTO CAL turns the automatic calibration feature on or o.
ON OFF
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4AUTO COUPLE5 accesses the softkey menu of functions that can be coupled.
(Coupled functions are functions that are linked: if one
function is changed, the other function is changed.)
nds all signals on the display that are above the margin and
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AUTO-
MEASURE that meet signal criteria, then makes an EMC measurement
using speci ed detectors. EMC analyzer mode only.
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enables and disables the automatic loading and execution of
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AUTOEXEC
ON OFF the le named "eAUTOEXEC" from a card. When enabled, the
instrument, upon a power-up sequence, will search the card for
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an "eAUTOEXEC" le and if found will load and execute it.
EMC Analyzer Functions 2-5
turns the current state of the auto-range function on or o.
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AUTORANG
ON OFF
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When on, the auto-range function automatically adjusts RF
attenuation or reference level (IF step-gain) in response to
either an IF or RF overload condition detected during the
previous sweep. RF overload detection is only available when
used with an HP 85420E Option 1EM, RF lter section.
accesses the softkey menu used to control the auxiliary outputs
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Aux Conn
Control and input. Not available when used with an HP 85420E Option
1EM RF lter section.
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4AUX/USER5 accesses the softkey menu used for control of the auxiliary
interface connector and user menu. The softkey also accesses
the comb generator (HP 8593EM, and HP 8596EM only) and
tracking generator functions (Option 010).
sets the measurement time when the average detector
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AV DWELL
TIME
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is measured. This key is used in conjunction with
MEASURE AT MKR , RE-measure , AUTO-MEASURE , and
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MEAS STEPPED .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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AV/IF determines the automatic setting of averaging (video)
BW RATIO bandwidth by multiplying the parameter by the intermediate
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frequency (IF) bandwidth.
Ratio values other than the values in the 1, 3, 10 sequence are
rounded to the nearest permissible value.
speci es the averaging bandwidth, which is a post-detection,
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AVG BW
AUTO MAN
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low-pass lter.
Frequency values other than the values in the 1, 3, 10 sequence
are rounded to the nearest permissible value. Auto couples the
AVG BW to the IF BW.
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AVG toggles the average detector on and o. When on, the
ON OFF
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instrument is placed in linear amplitude detection, the
detector is turned on, and the system settings are optimized to
accurately measure the average amplitudes. All except option
703.
B0DL ! subtracts the display line from trace B and places the result in
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
B
trace B. The B0DL ! B function is a math operation.
! copies trace B into trace C.
NNNNNNNNNNNNNNNNNNN
B C
2-6 EMC Analyzer Functions
!
NNNNNNNNNNNNNNNNNNNNNNNN
B C exchanges trace B and trace C. Trace B is set to the view mode.
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Band accesses the harmonic band menu and the band lock function.
Lock
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HP 8593EM, HP 8595EM, and HP 8596EM only.
allows you to set the data transmission speed. Option 043 only.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BAUD RATE
NNNNNNNNNNNNNNNNNNNNNNN
BLANK A stores the amplitude data for trace A and removes it from the
screen.
stores the amplitude data for trace B and removes it from the
NNNNNNNNNNNNNNNNNNNNNNN
BLANK B
screen.
stores the amplitude data for trace C and removes it from the
NNNNNNNNNNNNNNNNNNNNNNN
BLANK C
screen.
deletes all the les from the memory card.
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BLANK
CARD
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BND LOCK underlining ON locks the analyzer to the lowest frequency band
ON OFF (local oscillator harmonic number) containing the correct center
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frequency. HP 8593EM, HP 8595EM, and HP 8596EM only.
4BW5 activates the IF bandwidth function and accesses the softkeys
that control the bandwidth functions.
saves cable amplitude-correction factors to a card. To save card
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CABLE
! CARD
3333333333333333333333 amplitude-correction factors press, CARD ! CARD . REGISTER #
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
and PREFIX= are displayed on the screen. Use the data keys to
enter the desired register number then press 4ENTER5. The cable
amplitude-correction data is then saved to a card.
accesses a menu to turn on, recall, edit, or save cable
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Cable
Factors amplitude-correction factors. Cable factors are conversion
factors used to correct for cable insertion loss.
33333333333333333333333
turns on or o cable amplitude correction factors.
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CABLE
ON OFF
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4CAL5 accesses the softkey menus used for the self-calibration,
service-diagnostics, and service-calibration functions.
initiates an amplitude self-calibration routine.
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CAL
AMPTD
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Cal accesses a menu to set the time of an automatic calibration.
At Time
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EMC Analyzer Functions 2-7
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CAL performs the portion of the amplitude calibration where the
CISPR BW
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CISPR 6 dB bandwidths are calibrated.
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CAL retrieves stored self-calibration correction factors from the
FETCH
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previous CAL STORE.
initiates a frequency self-calibration routine.
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CAL
FREQ
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CAL FREQ initiates both the frequency and amplitude self-calibration
& AMPTD
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routines.
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CAL stores the correction factors from the last calibration.
STORE
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CAL performs absolute amplitude, vernier, and tracking peak
TRK GEN self-calibration routines. Connect the tracking generator output
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to the analyzer input. Option 010 only.
generates the best slope and oset adjustment to calibrate the
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CAL
YTF YIG-tuned lter (YTF) for each harmonic band. Connect COMB
OUT to the analyzer input. HP 8593EM, HP 8595EM, and
33333333333
HP 8596EM only.
accesses the softkey menu that allows you to catalog, format,
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Card
Config
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and delete data from a memory card.
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CATALOG catalogs all the programs and variables stored in analyzer
ALL
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memory.
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CATALOG displays a catalog of the items stored on the memory card.
CARD
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Catalog accesses a menu that has the cataloging functions for analyzer
Internal
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memory.
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CATALOG catalogs all of the saved data with the speci ed pre x from
PREFIX
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either the memory card or the analyzer memory.
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CATALOG displays the status of state and trace registers in analyzer
REGISTER
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memory.
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CATALOG catalogs all of the variables saved in analyzer memory.
VARIABLS
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2-8 EMC Analyzer Functions
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CENTER activates the center-frequency function to allow the selection of
FREQ
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frequency that will be at the center of the screen.
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CF STEP changes the step size for the center frequency function when
AUTO MAN
33333333333333333333333333 using the step keys.
allows you to enter a pre x that can be used for saving and
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Change
Prefix recalling data to and from the memory card, and for cataloging
by the pre x.
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allows you to write a 53-character screen title across the top of
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Change
Title
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the screen.
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CLEAR clears the annotation editor of all text.
ANNOTATN
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CLEAR clears the mark from a signal on the signal list. EMC analyzer
MARK
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mode only.
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CLEAR erases any data previously stored in trace A and continuously
WRITE A
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displays any signals during the sweep of the analyzer.
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CLEAR erases any data previously stored in trace B and continuously
WRITE B
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displays any signals during the sweep of the analyzer.
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CLEAR erases any data previously stored in trace C and continuously
WRITE C
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displays any signals during the sweep of the analyzer.
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CLR ALL clears the mark from all signals in the signal list. EMC analyzer
MARKS
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mode only.
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CNT RES allows the resolution of the marker counter to be selected
AUTO MAN
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manually or auto-coupled.
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CNTL A makes the auxiliary-interface control line A output high or low
0 1 (TTL). Not available when the HP 85420E Option 1EM RF lter
section in use.
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makes the auxiliary-interface control line B output high or low
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CNTL B
0 1
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(TTL). Not available when the HP 85420E Option 1EM RF lter
section in use.
EMC Analyzer Functions 2-9
makes the auxiliary-interface control line C output high or low
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CNTL C
0 1
33333333333333333333
(TTL). Not available when the HP 85420E Option 1EM RF lter
section in use.
makes the auxiliary-interface control line D output high or low
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CNTL D
0 1
33333333333333333333
(TTL). Not available when the HP 85420E Option 1EM RF lter
section in use.
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COMB GEN turns the internal comb generator on or o. HP 8593EM, and
ON OFF
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HP 8596EM only.
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COMPLMNT complements all marked signals in the signal list. For example,
MARKS if all the even numbered signals in the signal list are marked,
pressing COMPLMNT MARKS , with mark all odd numbered signals
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instead.
initiates a variety of tests to check the major functions of the
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CONF
TEST
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EMC analyzer.
4CONFIG5 accesses the softkey menu used for printer and plotter
con gurations, time and date display functions, memory card
con guration functions, disposing of user-de ned variables and
programs from analyzer memory, changing the analyzer address
or the baud rate, displaying the installed options on screen, and
changing the format of the MONITOR output.
4COPY5 initiates an output of the screen data, without an external
controller, to a previously speci ed graphics printer or plotter.
The printer or plotter must have already been selected using
4CONFIG5 and either Plot Config or Print Config . Use
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
COPY DEV PRNT PLT to choose between printing and plotting.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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COPY DEV changes between a printer and plotter.
PRNT PLT
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COPY sends a copy of the current display to the printer speci ed by
Printer Config or the plotter speci ed by Plotter Config .
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SCREEN
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CORRECT controls use of some correction factors. When ON is underlined,
ON OFF factory correction factors are used and CORR appears on the
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display. When OFF is underlined, correction factors are not
used. This key is located under the 4CAL5 key.
2-10 EMC Analyzer Functions
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Correctn accesses a menu of correction factors used to create, edit, and
Factors view antenna, cable, and other amplitude-correction factors.
This key is located under the 4SETUP5 key.
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