1 2 3 4 5 6
A
B
C
D
654321
D
C
B
A
Title
Number RevisionSize
B
Date: 13-Jan-2003 Sheet of
File: N:\PCBMGR\UNREL\04179cc\Source\04179c.ddbDrawn By:
R12
1000M
R3
4.99K
R38
N/I
R17
10 Ohm
+
C28
10uF/25V
+
C2710uF/25V
C2 100 pF
-15V
+15V
GUARD RING
NOTES: UNLESS OTHERWISE SPECIFIED
3.
2.
1.
RESISTANCE IS IN OHMS.
RESISTORS ARE 1%, 1/4W.
CAPACITANCE IS IN MICROFARADS.
R13
N/I, POT
1
2
3
3
2
6
8
74
U1
OPA124
SPAN ADJUST
THIS CIRCUIT MUST BE USED
AS A MATCHED PAIR WITH THE
TEC CONTROL CIRCUIT
4.
R4
100
R44
25.5K
R11 100M
IN1
1
COM1
2
NC1
3
V-
4
GND
5
NC4
6
COM4
7
IN 4
8
IN 3
9
COM3
10
NC3
11
V(L)
12
V+
13
NC2
14
COM2
15
IN2
16
U4
DG444DY
-15V+15V
C4
0.001 uF
+5V_SYS
ETEST
R43
10K
TP6
*
VREF
R19
10K, POT
1
2
3
ELECT. TEST
PREAMP1
PREAMP2
PREAMP1 PREAMP2
ETEST
ETEST_SIGNAL
ETEST_SIGNAL
ETEST
24
U17
74AHC1GU04
24
U5
74AHC1GU04
ETEST
HIGAIN
R36
250K
C3
0.01 uF
5
6
7
4 8
U2B
LF353, OPAMP
+15V
C48
0.1 uF
C47
0.68 uF
-15V
HIGAIN
VPMT
R5
N/I, SHORTED
FB
1
AGND
2
V-
3
DIV RATIO
4
C OSC
5
V+
6
OUT
7
BUFOUT
8
U11
LTC1062CN8
+12V_REF-2.5V
C9
3900 pF, FILM
C11
1 uF, FILM
1
2
JP4
N/I, DEFAULT = SHORTED
TP9
*
TP1
*
TP8
*
TP7
*
1
2
JP1
DEFAULT = SHORTED
C30
0.68 uF
C5
0.68 uF
R29
50k, POT
1
2
J1
COAX
PMT Signal Connector
PMTGND
PMTGND
PMTGND
PMTGND
5
6
7
4 8
U16B
LF353, OPAMP
R48
1K
R46
100
1KHZ
1
2
JP5
N/I
48
2
3
1
U9A
LF353
+15V
-15V
TP2
*
C31
0.68 uF
C29
0.68 uF
+15V
-15V
R51
N/I
HIGAIN
R50
N/I
This schematic applies to PCA #04180-0100
C04181
M100E/200E PMT Preamp PCA Schematic
2
3
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