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A1
LIGO ProjectCalifornia Institute of TechnologyMassachusetts Institute of TechnologyEtzel/Abbott
1
D990511 A
13-Sep-200110:16:30C:\Rich's Files\Mycadfiles\lscdemod\RevBdemod\revbdemod_sch\lscdemod_a.Sch
TitleSize:Number:Date:File:Revision:Sheetof
Time:
C
LSC Demodulator Front End
LIGO
Engineer:
J1SMA
C10.01UF
C20.01UF
GND
2
GND
4
OUT3
IN1
U1ERA-5
GND
GND
C40.01UF
L110UH
R2160, 1W
+15A
GND
OUT3
IN1
GND
2
GND
4
AT1PAT-10
GND
C50.01UF
GND
1
2
3
JP1HEADER 3
SUM1
0 DEG5
180 DEG6
GND
2
GND
3
GND
4
GND
7
GND
8
U2PSCJ-2-1
GND
1
2
3
4
T1MYCOIL1
C339PF
C639PF
R449.9
GND
C120.01UF
C170.01UF
GND
2
GND
4
OUT3
IN1
U6ERA-5
GND
C150.01UF
L310UH
R6160, 1W
GND
C140.01UF
GND
C110.01UF
C130.01UF
GND
2
GND
4
OUT3
IN1
U4ERA-5
GND
C90.01UF
L210UH
R5160, 1W
GND
C70.01UF
GND
OUT3
IN1
GND
2
GND
4
AT2NOT USED
OUT3
IN1
GND
2
GND
4
AT3NOT USED
GND
GND
14
15
16
U16DLT1125
GND
R14499
R13499
C80.01UF
GND
C231UF
GND
R1100
IN1
OUT6
3
4
GND
2
CT
U3ADC-10-4
GND
R349.9
GND
J2SMA
GND
OUT8
IN1
GND
2
GND
3
GND
4
GND
5
GND
6
GND
7
U5SCLF-45
GND
50 MHz
IN1
OUT6
3
4
GND
2
CT
U10ADC-20-4
PORT14
PORT23
SUM6
GND
1
U9LRPS-2-1
GND
RF3
IF2
GND
4
GND
5
GND
1
LO
6
U8JMS-1H
RF3
IF2
GND
4
GND
5
GND
1
LO
6
U7JMS-1H
GND
GND
OUT8
IN1
GND
2
GND
3
GND
4
GND
5
GND
6
GND
7
U12SCLF-5
OUT8
IN1
GND
2
GND
3
GND
4
GND
5
GND
6
GND
7
U11SCLF-5
GND
GND
LO-Q
LO-Q
LO-I
LO-I
GND
R749.9
GND
J3SMA
GND
1A
2A
3A
4A
5A
6A
7A
8A
9A
10A
11A
12A
13A
14A
15A
16A
17A
18A
19A
20A
21A
22A
23A
24A
25A
26A
27A
28A
29A
30A
31A
32A
1B
2B
3B
4B
5B
6B
7B
8B
9B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
21B
22B
23B
24B
25B
26B
27B
28B
29B
30B
31B
32B
1C
2C
3C
4C
5C
6C
7C
8C
9C
10C
11C
12C
13C
14C
15C
16C
17C
18C
19C
20C
21C
22C
23C
24C
25C
26C
27C
28C
29C
30C
31C
32C
P1DIN96
5
6
7
U16BLT1125
R29100
R30100
3
2
1
4
13
U16ALT1125
R26100
R25100
C270.1UF
C240.1UF
-15
+15
GND
GND
GND
1
2
J7LEMO
12
11
10
U16CLT1125
R17100
R16100
5
6
7
U15BLT1125
R23100
R24100
3
2
1
4
13
U15ALT1125
R21100
R19100
C260.1UF
C220.1UF
-15
+15
GND
GND
GND
1
2
J6LEMO
12
11
10
U15CLT1125
R11100
R12100
1A
2A
3A
4A
5A
6A
7A
8A
9A
10A
11A
12A
13A
14A
15A
16A
17A
18A
19A
20A
21A
22A
23A
24A
25A
26A
27A
28A
29A
30A
31A
32A
1B
2B
3B
4B
5B
6B
7B
8B
9B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
21B
22B
23B
24B
25B
26B
27B
28B
29B
30B
31B
32B
1C
2C
3C
4C
5C
6C
7C
8C
9C
10C
11C
12C
13C
14C
15C
16C
17C
18C
19C
20C
21C
22C
23C
24C
25C
26C
27C
28C
29C
30C
31C
32C
P2DIN96
J4SMA
GND
J5SMA
GND
R949.9
GND
R849.9
GND
R18100
OUT-I
OUT-Q
DET
I-DAQ
GND
GND
GND
Q-DAQ
OUT-I
I-DAQ
Q-DAQ
DET
+C16100UF
+
C18100UF
C210.1UF
C250.1UF
C200.1UF
C190.1UF
+24
-24
GND
GND
GND
GND
GND
GND
GND
GND
+15
-15
Vin1
GND
2
+15V3U14LM7815CT
Vin2
GND
1
-15V3U13MC7915T
GND
GND
GND
GND
+24
-24
GND
GND
+15A
OUT-Q
+C10100UF
GND
+15A
-24
D3GREEN LED
D4GREEN LED
R332.7K
R322.7K
GND
GND
+24
D2GREEN LED
R311.3K
GND
+15A
R27100
GND
R28100
GND
R15100
GND
R20100
GND
R22100
GND
R10100
GND
T1 is wound on a Micrometals T20-17 core. 14 turns of bifilar 34 AWG enameled copper wire with 24 twists per inch. Excess lead length should be trimmed short.
OUT2
IN1FT2FEEDTHROUGH
OUT2
IN1FT1FEEDTHROUGH
1
TP8TESTPT
1
TP7TESTPT
1
TP6TESTPT
1
TP2TESTPT
1
TP5TESTPT
GND
GND
1
TP1TESTPT
1
TP3TESTPT
1
TP4TESTPT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CAN1CAN3R25X3R25
GND
A
K
D1BAT-85
1
TP9TESTPT
GND
C285-40PF
C290.5-10PF
GND
GND
C310.5-10PF
GND
C305-40PF
GND
Last modified 13 September, 2001
10dBATTN
-7~-8dBm
-17dBm
+7dBm
-2.4dBm
0dBATTN
0dBATTN
-2dBm
+16dBm
+17dBm
IlleagalUntermination
They should be moved
Do we needthese trim caps?