Service Manuals, User Guides, Schematic Diagrams or docs for : HP Publikacje HP-Catalog-1956-03-Supplement-22A
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On-line curartor: Glenn Robb
1956 ALFRED CROSSLEY ASSOCIATES, INC.
Midwest Sales Engfneers
53 P a r k Avenue
Dayton 9, Ohio
Phone: Oxmoor 3594 SUPPLEMENT TO CATALOG 22-A
1956
HEWLETT-PACKARD COMPANY 275 PAGE MILL ROAD, PAL0 ALTO, CALIFORNIA, U. S. A.
Advantages: Most Dependable Oscilloscope
Extreme operating dependability Offered Commercially
Brilliant, high resolution trace
Automatic triggering system
Sensitivity 1 mv per centimeter
High gain, balanced input
H ERE AT LAST is a new kind of oscilloscope-actu-
ally the first commercial instrument to combine
three basic features you want most-broad
fulness, simple operation, and the degree of dependability
use-
21 calibrated sweeps; direct reading you expect from time-tested -hp- instruments. -hp- 130A --
provides each of these advantages, and sets new standards
IVide pass band, dc to 300 KC for oscilloscope usefulness, simplicity and reliability.
Similar X and Y amplifiers
Covering frequencies from dc to 300 KC, -hp- 130A is
Twist-off bezel; easy CRT change a versatile, all-purpose tool for laboratory, production line
High stability, unique versatility and industrial processing measurements. I n addition to its
versatility as an oscilloscope, -hp- 130A can be used as a
Etched, unitized circuits
millivoltmeter or voltmeter.
Simple operation is an outstanding characteristic of the
Use To Measure:
new instrument. Controls are a t a minimum, are color-
Provides new convenience in evaluating complex coded to front panel markings and are arranged by func-
voltages. Particularly ideal for measuring me- tion. 21 sweep times may be directly set on the panel con-
chanical quantities through a transducer such trol ; no arithmetic or interpolation is required to determine
as complex voltages, stress, strain and vibra- sweep settings. Horizontal sweeps are calibrated from 1
tion, pressure and displacement, acceleration, psec/cm to 5 sec/cm. Accuracy is within 5 %, and sweeps
etc, are highly linear.
2
Automatic Triggering Specifications
T w o novel circuit features contribute to the instru- Sweep
mmt's unique operating convenience. First, the oscilloscope
Range: 1 psec/cm to 15 sec/cni.
accepts signals direct from conventional transducers without
Calibrated : 21 calibrated sweeps in 1-2-5-10 sequence,
preamplification in the majority of cases. Findings are pre-
1 psec/cm to 5 sec/cm. Accuracy within 5 %.
sented in a brilliant, high resolution trace visible under all
Vernier : Permits continuous adjustment of sweep time.
lighting conditions. Second, the instruments contain a "uni-
Triggering : Internally, line voltage, or externally with
versal" automatic triggering system. Under almost all 2 v or more.
circumstances, one single preset condition provides opti- Trigger Point: Any positive or negative level on the
mum triggering. T h e sweep may be operated free-running positive or negative slope of the signal triggering the
when it is desired to determine the base line. A high degree sweep. +30 to -30 volt range for external trigger.
of stability and freedom from horizontal jitter is main- Preset Triggering: Switch position on sweep mode con-
tained under all sweep conditions. trol automatically selects optimum setting for stable
triggering.
Similar X, Y Amplifiers Input Amplifiers
Horizontal and vertical amplifiers are similar, and pro- Vertical and horizontal amplifiers have same charactcr-
vide high sensitivity of 1 mv/cm or 10 mv full scale istics.
deflection. T h e amplifiers have wide pass bands from dc to Sensitivity Range: 1 mv/cm to 50 v/cm.
300 KC, and offer balanced input circuits on the five most Input Attenuator: 14 calibrated ranges, in a 1-2-5-10
sequence, 1 mv/cm to 20 v/cm. Vernier permits con-
sensitive ranges. (These circuits are particularly useful in tinuous adjustment between ranges.
industrial, medical and similar applications where it is Pass Band: dc to 300 KC, independent of attenuator
more convenient to accept a low level balanced signal setting.
direct from a transducer.) T h e amplifiers also provide sin- Coupling: ac or dc.
gle ended input, and may be either ac or dc coupled. Balanced Input: O n 1, 2, 5 , 10 and 20 mv/cm ranges.
Input impedance 2 megohms shunted with 25 ppf.
Single Ended Input: O n all ranges. Input impedance 1
Use as Voltmeter megohm shunted with 50 ppf.
Both amplifiers on the -hp- 130A are highly stable, re- Undistorted Deflection : T h r e e screen diameters.
quiring virtually no adjustment during operation. Their Amplitude Calibrator : Fixed amplitude, accuracy within
gain may be standardized by an internal 1,000 cycle 10 5 %. Approximately 1 KC square wave.
millivolt source. These features, together with the instru-
General
ment's precision input attenuator, make possible use of the
oscilloscope as a millivoltmeter or voltmeter accurate within Illuminated Graticule : Edge lighted graticule with con-
5%. trolled illumination, 10 cm x 10 cm, marked in centi-
meter squares with 2 mm subdivisions on major hori-
zontal and vertical axes.
Quick CRP Interchange CRT Bezel: CRT bezel readily removed by a 15'
twist, providing rapid means of changing filters and
-hp- 130A is arranged physically for maximum conveni- replacing cathode ray tube if different phosphors are
ence in use. I n addition to concentric, color-coded controls, required. Bezel locks to provide firm mount for stand-
a tilt bail is provided to raise the instrument to a suitable ard oscilloscope camera equipment.
viewing angle. T h e C R T bezel removes instantly with 1.5' CRT Plates : Direct connection to deflecting plates a;
rotation, simplifying changing of tubes and filters. ( T h e terminals on rear.
bezel also provides a firm mount for standard oscilloscope Intensity Modulation : Terminals on rear ; 20 v positive
camera equipment.) An alignment lever provides quick signal blanks CRT at normal intensity.
and direct orientation of the C R T trace with the graticule. Cathode Ray T u b e : 5AQP mono-accelerator flat face
type with 3000 volt accelerating potential. Available
with P1, P7, or P11 screen.
Etched Circuitry Size : Width-93/4"; Height-15g"; Depth-20".
Electrically and electronically, the design of Model Weight : 39 Ibs net.
130A is highly conservative. Components are operated well Power Supply: 115/230 volts & l o % , 50/400 cycles,
approximately 175 watts.
below ratings. Etched circuitry is used extensively to sta-
Filter: Color of filter compatible with screen phosphor.
bilize capacities and increase operating dependability and
Price: $450.00 f.0.b. Palo Alto, California. (Normally
accessibility. T h e entire instrument is broken down into supplied with P1 screen. W h e n ordering with P7
several sub-assemblies, each functionally integral and read- scree-n, specify 130A-7. W h e n ordering with P11
ily reachable for servicing. screen, specify 130A-11.)
Data subject to change without notice.
3
Setting New Standards of
Oscilloscope Dependability!
Advantages:
Maximum usefulness, reliability
Brilliant, full screen high resolution trace
M MAXIMUM usefulness, convenience, and utmost elec-
trical and mechanical dependability-these were
the objectives in designing the new -hp- 150A
Oscilloscope. T h e result is a high frequency instrument
which answers more laboratory and production problems
No halo or bloom effect more conveniently than previous equipment, and is the
industry's most outstanding oscilloscope value.
Leading edge of signal always visible For maximum usefulness, -hp- 150A is designed for
21 direct reading calibrated sweeps operation with plug-in vertical amplifiers. Currently, these
include -hp- 151A, a high gain unit with 5.0 mv/cm maxi-
Automatic sweep triggering mum sensitivity and frequency response from dc to 10 MC ;
0.25 psec distortionless delay line and -hp- 152A, a dual amplifier permitting two phenomena-
Plug-in vertical pre-amplifiers, single or dual trace to be presented on the CRT simultaneously. Either of -hp-
152A's dual amplifiers may be used separately. For dual
New pen-sized low capacity probe trace presentation, an electronic switch applies amplifier
Sweep magnification of 5, 10, 50 and 100 x outputs to alternate traces, o r switches outputs a t a 100
Single shot sweep with lock-out
KC rate.
0.25 Microsecond Delay Line
'Twist-off bezcl C R T access door T h e oscilloscope's vertical amplifier provides excellent
Etched circuits, unitized construction transient response and less than 0.035 psec rise time; the
Color-coded, concentric controls, simplified and pass band is dc to 10 MC. A distortionless 0.25 psec delay
functionally grouped line permits viewing the leading edge of the signal trigger-
ing the sweep, and requires no adjustment. A single, direct
reading front panel control selects any of 24 calibrated
Uses: sweep times. No calculation or interpolation is required.
Sweep times are accurate within 3% and cover the range
General purpose laboratory instrument for fast 0.02 psec/cm to 5 sec/cm. T h e sweep may be trig-
circuit work in pulse applications such as gered by internal o r external voltage, o r may be free ,
radar, T V , nucleonics and guidance systems. running. Triggering may be accomplished on positive or
Presents the ultimate in waveform observation negative slopes and at positive or negative voltages of $30
and complex voltage measurement. to -30 V.
4
Sweep Magnification T r i g g e r Point: A n y positive or negative level on positive or
negative slope of signal triggering sweep. +30 v to -30 v
Model 150A's horizontal amplifier provides sweep mag- range for external trigger.
nification of 5, 10, 50 and 100 times, and a multi-turn Preset Trig ge r ing : Switch position on sweep mode control auto-
positioning control provides a fine degree of horizontal ad- matically selects optimum setting for stable triggering for
justment so that any 10 cm portion of the magnified scale majority of conditions.
Single Sweep: Sweep circuits may be set f or triggered single
may be examined. Indicating lamps show when the mag- sweep operation. After being triggered, sweep remains locked
nification circuit is in use, or when a combination of sweep out until reset. Indicator light glows when sweep is armed.
time and magnification exceeds the fastest calibrated sweep Horizontal Amplifier
time. T h e horizontal amplifier, which has a separate input, Sweep Magnification: Sweep may be expanded 5, 10, 50 or 100
times. Multiturn horizontal positioning control provides a fine
also includes a calibrated input attenuator, and has a maxi- degree of adjustment, permits viewing a ny 10 cm portion of
mum sensitivity of 200 niv/cm over a pass band dc to more expanded sweep.
than 500 KC. Indicators : "Reminder" lights glow when sweep magnifier is
T w o special features of -hp- 150A add much to the in- used, or when expanded sweep time exceeds fastest calibrated
sweep time.
strument's convenience and versatility. O n e is the auto- External Input: Pass band dc t o over 500 K C. Sensitivity range
matic triggering circuit by which one single preset adjust- 200 mv/cm to 25 v/cm. Five calibrated ranges plus vernier.
ment establishes optimum triggering for almost all condi- Vertical Amplifier
tions and eliminates most adjustment during or even before M a i n Vertical Amplifier: Pass ba n d d c to more than 10 M C .
Optimum transient response a n d rise time less than 0.035 psec.
measurement. T h e other feature is the single shot sweep Signal Delay: 0.25 psec delay permits viewing leading edge of
circuit. After firing, this circuit remains locked out until signal triggering sweep.
rearmed. A light indicates when the circuit is armed. Input: Thr ou gh plug-in preamplifier.
General
Etched Circuits Amplitude Calibrator: 18 Calibrating voltages in 2, 5, 10 se-
quence, 0.2 mv to 100 v peak-to-peak, a r e available at a bind-
Every possible step has been taken to insure the mechan- in g post to provide maximum flexibility. Accuracy within 3 % .
ical and electrical convenience and reliability of -hp- 150A Approximately 1 K C square w a ve with rise a n d decay times
Oscilloscope. Controls are simplified, direct reading, con- less than 1 psec.
centric, color-coded and arranged logically by function. Sawtooth Output: +20 to -20 v sawtooth waveform of sweep.
Gate Output: +20 v signal for duration of sweep.
Tubes and circuits are grouped on hinged panels that Illuminated Graticule: Edge-lighted graticule with controlled
swing out for simplified testing. Wherever possible, circuits illumination, marked in centimeter squares with 2 mm subdi-
are etched and unitized; and may be isolated from the in- visions on major horizontal and vertical axes.
strument by unplugging. Etched circuits are mounted on C R T Bezel: C R T bezel readily removable by a 15" twist, pro-
viding rapid means of changing filters a n d replacing C R T if
translucent plastic for "look-through" convenience, A 15 different phosphors a re required. Bezel locks to provide firm
turn removes the bezel, facilitating filter and C R T inter- mount for standard oscilloscope camera equipment.
change. A door on the cabinet top gives direct access to C R T Plates: Direct connection to deflecting plates v ia terminal
C R T terminals, and a lever inside permits the C R T trace in access compartment.
Intensity Modulation: Terminals provided ; 20 v positive signal
to be aligned with the graticule. T h e instrument includes a blanks C R T at normal intensity.
large, high volume cooling fan with replaceable air filter. Cathode Ray T u b e : S A M P mono-accelerator flat face type with
All components are of highest quality obtainable. Model 5,000 v accelerating potential. Available with P1, P2, P7 o r
150A is housed in a lightweight, streamlined metal cabinet P11 screen.
Size: Width-13S" ; Height-17g" ; Depth-25".
equipped with leather carrying straps and a tilt bail for con- We ig ht: Approximately 65 Ibs. net.
venient viewing. Power Supply: 115/230 v * 1076, 50/60 cycles. Approximately
500 watts.
Accessories Furnished : 2-AC-21A Probes. 1-Filter compati-
ble with screen phosphor, 2-AC-76A B N C to binding post
adaptors.
Price: $1,000.00 f.0.b. P a lo Alto, California. (Normally supplied
with P2 screen. For P 1 screen, specify 150A-1 ; for P7 screen,
specify 150A-7; for P11 screen, specify 150A-11.)
-hp- 151A High-Gain Amplifier
Sensitivity Range: 5 mv/cm to 50 v/cm.
Input Attenuator: 12 calibrated ranges, in 0.5, 1, 2, an d 5 SZ
quence, from 5 mv/cm to 20 v/cm. Vernier permits continuous
adjustment between ranges.
Input Impedance: 1 megohm shunted with 50 ppf.
Pass Ba n d: dc to 10 M C , 0.035 psec rise time.
Unitized Circuits Coupling: ac or dc.
Dual Inputs: T w o signal inputs with T y p e BNC. Selection of
Unitized construction is a new concept
either input by panel switch.
in oscilloscope design. Basic circuit
Price: $100.00.
elements are etched or assembled a s
separate units circuits may be discon- -hp- 152A Dual Channel Amplifier
nected without soldering, merely by Sensitivity Range: 0.05 v/cm to 50 v/cm.
unplugging. T ub e s a r e instantly acces- Input Attenuator: 9 calibrated ranges, in 1, 2, 5 a n d 10 sequence,
sible on swing-out panels. from 0.05 v/cm to 20 v/cm. Vernier permits continuous ad-
justment between ranges.
Input Impedance: 1 megohm shunted with 50 ppf.
Specifications Pass B a n d : dc to 10 M C , 0.035 psec rise time.
-hp- 150A Coupling: ac or dc.
Sweep Electronic Switching: By alternate sweeps or chopped at ap-
proximately 100 K C .
Ra n g e : 0.02 psec/cm to 1 5 sec/cm. Vertical Positioning : Individually adjustable.
Calibrated: 24 calibrated sweeps in 1, 2, 5 and 10 sequence, Polarity of Presentation : Input signal as applied or inverted.
0.1 psec/cm to 5 sec/cm. Accuracy within 3 % . Input Connectors : T y p e B N C both-channels.~
Vernier: Permits continuous adjustment of sweep time. Price : $ ~ O O . O O .
T r ig ge ri n g : Internally, line voltage; externally with 0.5 v or
more. Data subject to change without notice. Prices f.0.b. factory.
5
New! High Quality, Low Price interpolation a n d similar work where frequencies must be known
with extreme accuracy. Features a r e : new 160 m w balanced out-
0 OFFERING utmost convenience and simplified opera-
tion along with high stability, wide frequency
range, low distortion and built-in precision. Com-
pact and easily portable in new rugged lightweight cabinet.
T h e latest -hp- development in RC oscillator circuits com-
put, waveform purity and frequency unaffected by load, less than
0.5% distortion, a n d very high stability.
-hp- 201C, 20 cps to 20 KC, replaces -hp- 201B a n d offers a
superior attenuator with new compact styling a t a lower price.
Meets requirements for speed, accuracy, ease of operation, wave-
form purity f o r high fidelity audio system or component testing,
frequency comparison, a n d transmission line measurements. De-
bined with a mechanical layout designed for durability and livers a t least 3 watts to a 600 ohm load resistor.
accessibility, Reliability assured by -hp- practice of incor- -hp- 202C, 1 cps to 100 KC, replaces -hp- 202B a n d covers a
porating highest quality components available and rated to wider a n d more convenient frequency spectrum. W a v e f o r m pur-
provide a large safety factor. ity a n d frequency a r e virtually unaffected by load resistance.
Excellent for subsonic, sonic, a n d supersonic applications in in-
These fundamental features of all -hp- oscillators are dustrial production, field, or laboratory. Also features new 160
also incorporated in these three new oscillators. m w balanced output, high stability, low distortion, a n d a short
-hp- 200J,6 cps to 6 KC, replaces -hp- 2001 a n d is designed f o r recovery time when switching ranges.
Specifications
Datu subject t o change without notice. Prices f.o.6. factory.
6
New! Extreme Accuracy of 1%; Specifications
Covers 10 cps to 4 MC Voltage Range: 0.1 m v to 300 volts. 12 ranges, selected with
front panel switch. Full scale readings o f :
0.001 0.030 1.0 30
-hp- 400H has been adapted from the popular 0.003 0.100 3.0 100
N
NEW
0.010 0.300 10.0 300 volts
-hp- 400D voltmeter to make available an instru-
Frequency Range: 10 cps to 4 MC
ment combining general-purpose utility with ex- Accuracy: W i t h nominal line voltages from 103 to 127 volts,
treme measuring accuracy. overall accuracy is:
within i 1% of full scale, 50 cps to 500 KC ;
Model 400H has a 5" indicating meter with mirror within *2%, 20 cps to 1 M C ;
scale and measures voltages from 0.1 mv to 300 volts. T h e
within * 5 % ) 10 cps to 4 MC.
Long Term Stability: Reduction in G,, of amplifier tubes to 7 5 %
high input resistance of 10 megohms effectively minimizes of nominal value results in less than 0.570 error f r o m 20 cps
to 1 MC.
loading to circuits under test. A stabilized amplifier-recti-
Calibration: Reads rms value of sine wave. Voltage indication
fier with feedback loop provides exceptional long term proportional to average value of applied wave. Linear voltage
scales, 0 to 3 a n d 0 to 1.0; db scale, -12 d b to + 2 db, based
stability; even line voltage changes of *lo% cause negli- on 0 dbm = 1 MW in 600 ohms, 12 ranges in 10 db steps.
gible variations. Readings are direct in volts or db. Opera- Input Impedance: 10 megohms shunted by 15 ppf, 1 to 300 v ;
tion is extremely simple with overvoltage protection up to 25 ppf, 0.001 to 0.3 v.
Amplifier: Output approx. 0.15 v max. Internal impedance 50
600 volts on any range. T h e instrument is of highest qual- ohms. Max. gain approx. 150 on 0.001 v range.
ity construction throughout, and is available either in the Power: 115/230 volts k l o % , S O / l , O O O cps, approx. 100 watts.
lightweight, rugged -hp- portable cabinet or for rack Dimensions: 11%`' high, 7%" wide, 11%" deep. 19" rack mount
available.
mounting. Weight: Net 18 Ibs. Shipping 25 Ibs. (cabinet mount).
Price: $325.00.
D a t a subject to change without notice. Prices f.o.6. factory.
7
Broad Band Amplification, Versatile
Specifications
Modulation, 2 to 12.4 KMC
-hp- 492A
Frequency Range: 4 K M C to 8 K M C .
ow -hp- offers Traveling-Wave T u b e Amplifiers
Gain: 30 d b minimum.
Output Power: 10 milliwatts.
Noise Figure: Less t h a n 25 db above theoretical.
Pulse Rise, Decay: 0.015 microseconds.
Mod. Pulse Delay: 0.020 microseconds.
N for all frequencies between 2 and 12.4 KXIC.
-hp- 490B covers 2 to 4 KMC. T h i s instrument
supersedes -hp- 490A and has identical characteristics except
Mod. Voltage Amplitude: 50 v positive pulse gives 40 db rf for 30 db gain and provision for helix modulation. - h p - 4 9 1 A
power change, sensitivity approx. 1 db/v. covers the same range but with a higher output of 1 watt.
Helix Mod. Voltage: Approx. 30 v peak-peak. (Details on both instruments are found in - h p - Catalog
Hum, Spurious Mod.: 30 db below output signal.
Adjustments: G r i d bias, helix voltage.
22-A, pages 42, 43.)
Meter Monitors: Cathode. Anode, Helix or Collector Current. New -hp- 492A and 494A are low level, high gain in-
Input Impedance: 50 ohms. S W R less than 2. struments with 30 and 25 db gain respectively. They offer
Output Impedance: 50 ohms. SWR less than 3.
the unique versatility of amplitude, pulse, phase or FM
Connectors: T y p e N input a n d output, B N C modulation.
Power: 115 v * 10% , 50/60 cps, 110 watts. modulation, and are ideal for use as broad band amplifiers
Dimensions: Cabinet Mount: 7%" wide, 11%'' high, 19%" deep. or isolating buffer stages.
Weight: Net 54 Ibs. Shipping 9 3 Ibs. (cabinet mount).
All models use the exclusive -hp- coupling system with
Price: $1,500.00, including tube.
Replacement Tube: $750.00 leqs $125.00 credit f o r returned tube two separate helices for full energy transfer over a broad
a n d capsule. frequency range. All have front panel controls and meter-
-hp- 494A ing for performance checks or continuous monitoring.
Same as above except: All modulation connectors are brought out to the front
Frequency Range: 7 K M C to 12.4 K M C . panel.
Gain: 25 db minimum.
Output Power: 5 milliwatts. Replacement traveling-wave tubes are available from the
Mod. Pulse Delay: Approx. 0.015 microseconds. factory, encapsulated and ready for use.
Data subject to change without notice. Prices f.0.b. factory
8
-hp- 485D Barretter Mounts istics over a 40 db range when operated into a selected
value video load resistor which is internal and factory
These instruments are accurate, square-law detectors for installed.
signal detection in reflectometer systems. -hp- mounts of
this series are available for S, G, and J band waveguide
systems. Mounts are supplied with factory installed bar- -hp- AC-60K Matching Transformer
retters tested for SWR, frequency response, and square-
law characteristics. Barretters employed are Sperry 821 or This instrument consists of two step-up transformers
equivalent. ( F o r other -hp- 485 series Detector Mounts, and appropriate bias circuitry for impedance matching be-
see -hp- Catalog 22-A, page 94.) tween -hp- 485 series Barretter Mounts and the new -hp-
416A Ratio Meter. Designed specifically for this reflec-
-hp- 421A Crystal Detector tometer system application, -hp- AC-60K operates with
200 ohm barretters such as Sperry 821 or Narda N821B
At higher waveguide frequencies, crystals are provided as detector elements. An 8.75 ma bias current is supplied
as detector elements. -hp- X and P band detectors employ from the Model 416A Ratio bleter. T h e Transformer
11N26 silicon diodes. Supplied installed in a precision-made measures 4 % " x 4" and is 3%" high. Weight is 2 Ibs.
mount, the crystals have accurate square-law character- Price, including three cable assemblies, $45.00.
Specifications
1 Model Range Maximum Frequency Deviation from Waveguide
KMC SWR volt,milliwatt Response Square-law Size
I S485D 2.60 3.95 .35 0.2 db +D.5 db 3" x 1'/2" $145.00
I I
Detector Mounts are available as "matched pairs" with similar frequency response and square-law characteristics.
In this case frequency response tolerance and square-law characteristic combined (excluding basic crystal sensitiv-
ity) i s held to within 2 db for the matched pair.
All have BNC connector for detector output.
D a t a subject to change without notice. Prices f.0.b. factory.
9
Advantages: New! Measures Period, Time or
Direct frequency, period or time interval readings
Frequency 10 cps to 1.1 MC!
Highest quality, broad applicability. yet moderate cost
Basic accuracy k 1 count ; stability 2 ppm per week
Color-coded panel simplifies use by non-technical VERSATILE -hp- 523B is a completely new electronic
personnel counter designed to cover the widest possible range
Pulse output for Z-axis oscilloscope modulation of measurement at no sacrifice of speed or conveni-
ence, and at lowest possible cost.
us To Measure: Basically similar to the well-known -hp- 522B, new
Frequency : 523B offers a greatly broadened frequency range of 10
Production quantities cps to 1.1 MC. T i m e interval coverage is also b r o a d e n e d
Nuclear radiation 3 psec to 100,000 seconds or 27.8 hours. Period measure-
Power line frequencies ment is available from 0.00001 cps to 10 KC.
Rps and rpm Model 523B is conveniently contained in a small bench
Very low frequencies cabinet, and no extra-cost modification is needed to perform
Oscillator stability all functions. Results are displayed instantly and automatic-
Repetition rates ally in direct-readng form on six panels numbered 0 to 9.
Weight, pressure, temperature and Number illumination is bright for easy readability in any
acceleration-remote if desired light ; results are displayed in seconds, milliseconds, micro-
Time Interval, Period: seconds or kilocycles with automatic illuminated decimal
point. Display time is variable from 0.1 second to 5 seconds
T i m e between impulses
or indefinitely.
Pulse length, shutter speeds
Projectile velocity Unskilled Personnel Can Operate
Relay operating times T h e new Counter is particularly designed for easy use
Precise event timing by non-technical personnel. I n addition to the direct read-
Interval stability ing and automatic decimal features, panel controls are
Frequency ratios, phase delay color-coded for simple operation.
10
For frequency counting, -hp- 523B covers the range 10 Specifications
cps to 1.1 MC. Measurements are accurate within i 1
Frequency Measurement:
count plus crystal stability; stability is controlled to 2 ppm
Range: 10 cps to 1.1 h1C.
per week. Time base generator crystals are subjected to Accuracy: t 1 count I stability (see General).
+
prolonged aging before installation in the Counter ; and Input Requirements: 0.2 volt rms minimum.
further to insure accuracy, a front panel connector permits Input Impedance: Approx. 1 megohm, 30 ppf shunt.
application of a 100 KC primary standard; five gate times Gate T i m e : 0.001, 0.01, 0.1, 1, 10 seconds.
Reads I n : KC ; decimal point automatically positioned.
are available: 0.001, 0.01, 0.1, 1 and 10 seconds; the gate
may also be operated manually. Period Measurement:
For period measurement, the unknown controls the Range: 0.00001 cps to 10 KC.
Accuracy: t0.3cjO (for measurements of one period),
opening and closing of the gates, while the instrument's
,0.03% (10 period average) at 1 volt rms. Im-
high dependability -hp- AC-4A Decade Counters record the proved by greater input voltage.
number of cycles of an internal standard frequency. This Input Requirements: 1 volt rms minimum. Direct
internal decade divider circuitry provides a 10-period aver- coupled.
aging measurement which reduces ten-fold the time effect Input Impedance: Approx. 1 megohm, 40 ,ppf shunt.
of any triggering uncertainty. Period may be measured Gate T i m e : 1 or 10 cycles of unknown.
Standard Frequency Counted: 10 cps, 1 KC, 100 KC,
from 0.00001 cps to 10 KC in seconds, milliseconds or 1 MC, or external applied frequency.
microseconds. Reads I n : Seconds, milliseconds, microseconds ; decimal
point automatically positioned.
Time Interval Measurements
Time Interval Measurement:
I n time interval measurements -hp- 523B measures time
Range : 3 psec t o 100,000 sec. (27.8 hours).
from 3 microseconds to 100,000 seconds (27.8 hours), pre- Accuracy: t l / s t d . freq. counted t stability (see
senting results directly in seconds, milliseconds and micro- General).
seconds. A special threshold feature permits measurements Input Requirements: 1 v peak minimum. D c coupled.
to be started and stopped only by signals of predetermined Input Impedance: Approx. 1 megohm, 25 pFf shunt.
amplitude, polarity and slope. Separate start and stop chan- Start and Stop: Independent or common channels.
Trigger Slope : Positive or negative on start and/or stop
nels are provided and each channel is separately adjustable channels.
for maximum flexibility. T w o dual concentric panel coil- Trigger Amplitude : Continuously adjustable on both
trols permit time interval measurements to be started or channels from -300 to +300 volts.
stopped at any voltage level from -300 to +300 volts, on Std. Freq. Counted: 10 cps, 1 KC, 100 KC, 1 J I C ;
either positive or negative slopes. Terminals at the rear of External.
Reads I n : Seconds, milliseconds, microseconds ; decimal
-hp- 523B provide start and stop pulse voltages adjusted point automatically positioned.
by these two controls. Model 523B employs etched circuits
General:
and high quality components throughout for maximum
Registration: Six places on neon lamp decade units.
operating accuracy and dependability. Function lights are Stability : 2/1,000,000 per week. May be standardized
also provided to insure that circuits are operating properly. against WWV
Display T i m e : Variable approx. 0.1 to 5 seconds ; dis-
Figure 1. T h e exclusive start play held indefinitely if desired.
a n d stop output of -hp- 523B Output Frequencies : Secondary standard frequencies
permits presentation on a n os- available at front panel: 10 cps, 1 KC rectangular,
cilloscope of the portion of a 100 KC and 1 MC sine-wave (stability as above).
waveform being measured by
the Counter. Visual presenta-
Trigger Output: Start and Stop pulse output ( w i d 5
tion can be particularly help- approx. psec). Available for :
f u l when complicated wave- 1. Voltage level selection of input signal for frequency
f o r m s a r e involved. B r i g h t measurements.
spots on the oscilloscope (pro- 2. Z-axis modulation of oscilloscope for time interval
vided f r o m the 'scope's Z-axis measurements.
modulation i n p u t ) indicate Self Check : Panel control provides automatic count of
the interval being measured. internal 100 KC and 1 MC frequencies to assure ac-
curacy of gate and proper operation of counters.
Many phenomena common to industrial research and External Standard: 100 KC from external primary
manufacturing can be measured quickly and conveniently standard can be applied to unit for highest accuracy.
with -hp- 523B and a simple transducer converting me- Power : 115/230 volts tl o % , 50/60 cps, approx. 285
watts.
chanical phenomena into electrical impulses. Such trans- Dimensions: Cabinet M o u n t : 13%" wide x 16%" high
ducers include -hp- 506 Optical Tachometer Pickup for x 21" deep. Rack M o u n t : 19" wide x 14" high x 21"
measuring rpm without mechanical contact to 300,000 rpm ; deep.
and -hp- 508A/B Tachometer Generators for direct read- Weight : Net : 48 Ibs. Shipping : 85 Ibs. (cabinet mount).
ing shaft speed measurements 15 to 40,000 rpm. Other Accessories Furnished : 2 AC-16D Cable Assemblies.
Price : $1 175.00.
transducers enable -hp- 523B to measure flow, pressure,
projectile speed, etc. Data subject t o change without notice. Prices f.0.b. factory.
11
Now! Measure Frequency t o 12 KMC With
Electronic Counter Accuracy
Advantages:
T
HE development of the new -hp- 540A Transfer
Extends frequency counter accuracy to microwave
region Oscillator has made possible, for the first time,
convenient frequency measurements far into the
Permits measurement of pulsed, FM, CW, AM or
microwave region. These measurements can be made with
noisy signals
accuracy heretofore available only at much lower fre-
Provides multiple check for positive accuracy quencies.
Measures FM deviation Model 540A contains a highly stable, 100 to 220 M C -
Includes self-contained oscilloscope detector oscillator generating harmonics to 12 K M C for compari-
son with the unknown. T h e comparison device is a diode
Circuit elements usable separately mixer, amplifier, and built-in oscilloscope (See Figure 1 ) .
Simple to use, compact, eliminates complex setups Combined with -hp- 524B Electronic Counter, -hp- 525B
Frequency Converter ( 524B's appropriate plug-in unit)
and oscillosynchroscope or detectors as required, the 540A
Use It For: extends the 524B's range to 12 K J I C with new conven-
ience and accuracy.
Fast, accurate determination of CW and AM signal
frequencies I n operation, with approximate signal frequency known,
the -hp- 540A is tuned until one of its harmonics zero
Measuring center frequency or deviation range of
FM signals beats with the unknown. T h e multiplying factor is noted.
T h e transfer oscillator frequency is then measured directly
Measuring frequency in presence of high noise levels on the 524B counter. T h e 524B frequency reading, times
High accuracy measurements of pulsed signals the multiplying factor, gives the frequency of the unknown
12
signal. W h e n the signal frequency is totally unknown, a Specifications
convenient calculation employing two or more harmonics is
used to determine the multiplying factor.
General
Frequency Range: 10 MC to 5,000 MC. (10 MC to
I n measuring carrier frequency of pulsed signals, an 12,000 &IC or higher with external detector such as
external oscillosynchroscope is used to display the detected -hp- 440A.)
pulse. Zero beat appears as horizontal lines across the Input Signal: CW, FI11, A31 or pulse.
pulses when the oscillator is tuned to an exact sub-multiple. Input Signal Level: Varies with frequency and indi-
Video amplifier frequency response controls can be used to vidual crystals. Minimum input signal approu. 0 dbm
simplify this procedure." to attenuator.
Accuracy: CW: Approx. 1/1,000,000 or better.
Oscillator
Fundamental Frequency Range: 100 M C to 220
MC.
Harmonic Frequency Range: Above 12,000 MC.
Stability: Less than 0.0025% change per minute af,er
30-minute warmup.
Dial: Six inch dia., calibrated in 1 >IC increments. Ac-
curacy: *$%.
Output: Approx. 2 v into 50 ohms.
Attenuator
Range: Approximately 20 d b to 80 db.
Input Impedance: 50 ohms, SWR: 1.5 max. at 1
K M C ; 3 max. a t 5 KMC.
Amplifier
I n working with noisy or A M signals, the -hp- 540A Gain: Variable. Maximum 40 db or more.
response can be narrowed to obtain a more accurate indi-
Bandwidth: Variable. High Frequency: 3 db point ad-
cation of zero beat." justable approx. 1 K C to 2 &IC. Low Frequency: 3
I n signals with appreciable FM, the 540A's oscilloscope db point switched from 100 cycles to below 10 KC.
Adjustable to above 400 KC.
presents a characteristic pattern pin-pointing upper and
lower frequency deviation limits. If FM deviation is pres- Output: 1 volt rms maximum into 1,000 ohms.
ent, center frequency may also be determined.* Oscilloscope (Self-contained 1
Frequency Range: 100 cps to 200 KC.
Accuracy Vertical Deflection Sensitivity: 5 mv rms per inch
T h e system's accuracy is approximately 1 part per 1,000,- at mixer output.
000 or better on clean CW signals. O n pulsed signals, Horizontal Sweep: Internal, power supply frequency
accuracy is governed by carrier frequency and pulse length. with phase control, or external (connection at rear)
O n noisy or intense AM signals, the transfer oscillator with 1 v per inch. Sensitivity, 20 cps to 5 KC.
system with -hp- 540A often provides the only means of Miscellaneous
accurate measurement. Overall system accuracy is better Connectors: Attenuator input, type N ; all others type
than 10 times that of the best microwave wavemeters. BNC.
Size: Cabinet M o u n t 20%'' wide, 12%'' high, 15%"
Quality Features deep.
Rack M o u n t : 19" wide, 10%'' high, 1294" deep.
Each of the circuit elements of -hp- 540A (Figure 1 )
may be used separately by shifting front panel patch cords. Power Supply: 115/230 v & l o % , 50/1,000 cps, ap-
proximately 110 watts.
Controls are provided for coarse and fine mechanical tun-
ing. There is also an electrical vernier with range approxi- Auxiliary Equipment:
mately +125 ppm. T h e video amplifier has both gain and -hp- 524B Electronic Counter, $2150.00.
bandwidth controls. Horizontal input to the internal oscil- -hp- 525B Frequency Converter, $250.00.
loscope is power line frequency with phase control. Input -hp- 440A Detector Mount, $85.00.
attenuation is variable from approximately 20 to 80 db to -hp- 150A High Frequency Oscilloscope, (see pages
adjust signal for optimum mixing level. 4, 5).
Price: -hp- 540A Transfer Oscillator, $6 15.00
*For complete discussion o f microwave measuring with transfer
oscillator and electronic counter, write -hp- for Hewlett-Packard
Journal, V a l . 6 , h'o. 12. D a t a subject to change without notice. Prices f.0.b. factory
13
Advantages: Direct Reading, High Power-
Direct reading frequency control 10 t o 21 KMC!
Direct reading output control
are two new -hp- signal generators which ex-
H
ERE
10 mw output over full range tend the measuring versatility, convenience and
CW F M or pulsed output accuracy of -hp- vhf signal generators to 21
KMC. T h e new -hp- 626A covers frequencies 10,000 to
Internal square wave modulation
15,500 MC, and the -hp- 628A covers frequencies 15,000-
Broad pulsing capabilities to 21,000 MC.
Low internal SWR I n design and operation, the new instruments are similar
High stability, high accuracy to -hp- generators for lower frequency ranges. Operation
Sturdy, compact, precision-built is very simple. Carrier frequency in MC is set and read
directly on the large tuning dial. No voltage adjustment
is necessary during tuning because the unique -hp- coupling
Use To Measure: device causes oscillator repeller voltage to track frequency
changes automatically. Oscillator output is also set and
Receiver sensitivity
read directly, and no frequency correction is necessary
Selectivity or rejection throughout operating range.
Signal-to-noise ratio
Versatile Modulation
Conversion gain, SWR
Both -hp- 626A and 628A offer internal and external
Antenna gain pulse modulation as well as internal square wave modula-
1Transmission line characteristics tion and FM. Pulse repetition rate is continuously variable
14
from 40 to 4,000 pps, and pulse width is variable from 0.5 Specifications
to 10 psec. Sync out signals are simultaneous with the rf
pulse, or in advance of the rf pulse by any time span from Frequency Range: 626A, 10,000 to 15,500 M C ; 628A,
3 to 300 psec. T h e generators may be synchronized with an 15,000 to 21,000 MC.
external sine wave and also with positive or negative pulse Frequency Calibration: Dial direct reading in mega-
cycles. Accuracy better than & 1%.
signals.
Output Range: 10 m w to 1 ppw. 10 dbm to - 90
For internal FM, both instruments feature a sine wave dbm, 0 dbm 1 mw.) Attenuator dial directly cali-
brated in output dbm. SWR less than 2.5 a t f 10 dbm;
sweep at power line frequency. Frequency deviation is vari- 1.2 at 0 dbm and lower.
able up to t 5 MC. For external FM, the generators have
Output Monitor Accuracy: Better than 1 db.
capacitive coupling to the klystron oscillator repeller.
Output Attenuator Accuracy: Better than of
attenuation in db introduced by output attenuator.
Output Connector: 626A, 0.850" by 0.475" waveguide,
WR-75, Flat Cover Flange. 628A, 0.590" by 0.335"
waveguide, WR-51, Flat Cover Flange.
Leakage: Less than minimum calibrated signal generator
output.
Modulation: Internal or external pulsed, FM, or square
wave.
Internal Pulse Modulation: Repetition rate variable
from 40 to 4,000 pps. Pulse width variable 0.5 to 10 psec.
Internal Square Wave Modulation: Variable 40 to
4,000 cps controlled by "pulse rate" control.
Internal Frequency Modulation: Power line frequency,
deviation up to 2 5 MC.
Figure 1. Basic circuit, -hp- 626A /628A. External Pulse Modulation: Pulse Requirements : Am-
plitude 15 to 70 volts peak positive o r negative; width
0.5 to 2,500 psec.
Figure 1 shows the basic circuits of the new -hp- signal External Frequency Modulation: Provided by capaci-
generators. T h e reflex klystron oscillator is tuned by a tive coupling to repeller of klystron. Maximum deviation
approximately 2 5 MC.
plunger driven by the direct-reading frequency dial and
Sync Out Signals: 20 to 50 volts peak into 1,000 ohm
control. Repeller voltage is automatically tracked so that load. Better than 1 psec rise time.
correct operating potentials are maintained over the entire ( 1 ) Simultaneous with rf pulse-positive.
frequency range. Klystron output is introduced into a power ( 2 ) I n advance of rf pulse-positive, variable 3 to 300
monitoring directional coupler through a rotary vane power psec.
set attenuator. T h e attenuator is adjusted to provide a External Sychronization: ( 1 ) Sine wave, 40 to 4,000
fixed reading on the power monitoring meter. cps, amplitude 5 to 50 volts rms.
( 2 ) Pulse signals 0 to 4,000 pps, 5 to 50 volts ampli-
T h e directional coupler provides very uniform coupling tude, positive or negative. Pulse width 0.5 to 5 psec.
over the entire frequency range. T h e rotary attenuator Rise time 0.1 to 1 psec.
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