Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 2001 xDevs Keithley_2001J _ADC_Rev01
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R847 R845 R843
3.2K 0.1% 2K 0.1% 1.2K 0.1%
REFIN REFX
AD_REFIN
+15V +15V
+15V
+15V
R805 R855
2.21K 1% 100
7
1
8
7
1
8
+ + 1B1C1E 3
R802 R804 C
3 3
+ 6
2.21K 1% + 6
2.21K 1% B1 Q801
2 MMBT3906L 2 SOT23
MMBT3904
- Q800 - E 2
- LT1097CN8 R803 - U810
U811 2.21K 1% LT1097CN8
4
4
R858
100 1%
-15V R854
1.62K 1%
-15V C827
10UF TANT C821
COMMON 330NF
VR801
R819
D7243 50V 1N4579_6.4V 18.7 1%
1206
20% 10% R863
25V 3.01K 1%
+15V C808 +15V
1UF
C819 50V
DVCC_5 0.1UF
CER
20%
50V 20% R818 R823
1206 2.74K 1% 2.74K 1%
3
3
1 Q802 1 Q806
R849 2N7000 2N7000
100 Y800 TO92 TO92
2
2
3
3
EC1100HS 7.680MHZ
8 1 U812.5 1 Q803 1 Q804
VCC EN 2N7000 2N7000
TO92 TO92
R834 R835
2
2
5 4
CLK_7M68 OUT GND 1.00K 0.1%
1.00K 0.1%
R833 R836
1uS 1uS 20uS 1K00 0.1% 1.00k 0.1%
AVCC5 5V 5V
R822
R821
3
3
R857 1K
1K
1 Q814 19K 0.1% 1 Q805 R846
20uS 20uS 20uS 2N7000 2N7000
GND 19K 0.1% Zero-cross
4
1DATA SIGNAL
1uS TO92 TO92 CR801.B BAV99L
2
2
comparator ?
~PR
2 5
ITGRCTL D Q
R850 R800
100 + FBS 100K 5% CR801.A BAV99L
3 6 U812.6
~CLR
CLK ~Q AVCC5
AVCC5
R814
5.1K 5%
U812A
1
74HCT74 R815
+15V C822 R806 82.5 1%
27PF
100V
33.2K 1%
1206
AVCC5 10%
7
1
8
5
6
+ C817 R824
10
BAL R801
U812C 3 V+ 150pF 4.75K 1%
+ 475 1% BAL 100V 5%
74HCT74 6 2
~PR
+ 0805
12 9 2 7
D Q R831 - ZCTL2
C820 C807 14 3
0.1UF 0.1UF VCC not installed COMP -
- U802
20V 20V 7 11 8 18.CPLD 5 TG128 NE5534D V- GND Positive?
~CLR
1206 1206 +
4
8
5
50V 50V
GND CLK ~Q 2 PN4392 U803
Gain
4
1
4 Q807 C823 LM311D
- 20%
U812B 1206 27PF
U807A
13
50V 1206
74HCT74 R859 100NF +15V R857
LM339 -15V
10K 5% +15V 10 5%
10% 100V
18.PLD
R813 Q811 C809 -15V
7
1
8
65.CPLD 7 + 100K 5% PN4392
65.PLD DVCC_5
7
1
8
1 TG128 + R864
6 3 +
- + 6
1K 5%
3
U807B
2
+ 6 DVCC_5 R829
LM339 - 2 R827
- 82.5 1%
- U813 R865
AVCC5
33.2K 1%
OPA177GS 100 1% - U816
4
5.CPLD 9 Q810 OPA602AP R826
QFXT +
4
14 PN5432 3.92K 1%
8
5
6
8 C815
- TG198 R830
-15V R861 V+ 4.75K 1%
U807C BAL
AVCC5 R828 R839 26.7K 1% 2
LM339 R860 +
26.7K 1% R820 100K 5% Revision H and J have U813,R864,R865 7
100NF 150K 5% ZCTL1
2.7K 5% VGND connected directly to U816 +IN on Rev G 50V -15V -15V 3 -
1206
C825
R808 11 +
20%
V- GND Negative?
10K 5% 13 Q809 R862 U804
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