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5<br />
5<br />
4<br />
4<br />
3<br />
R102<br />
ENABLE<br />
TP13<br />
/FORCE_8KV2_ON<br />
10K<br />
+5V<br />
SOURCE COVER uSW<br />
CONTROLLED POWER<br />
TTL LEVELS DISABLE<br />
ENABLE =1<br />
D<br />
[3]<br />
[2,11,13,14]<br />
8KV2_ON_BUF<br />
HV_ENABLED<br />
14<br />
4<br />
5<br />
7<br />
U8B 6<br />
74AHCT00<br />
14<br />
1<br />
2<br />
7<br />
U8A 3<br />
74AHCT00<br />
R450<br />
1K<br />
R103<br />
10K<br />
8KV2_ENABLED<br />
8KV2_ENABLED<br />
[19]<br />
D<br />
[6,19] 8KV2_V_SET<br />
[5] 8KV2_POSITIVE_FPGA_OUT<br />
[18] 8KV2_V_RDBK<br />
8KV2_V_RDBK<br />
8KV2_V_SET<br />
8KV2_POSITIVE_FPGA_OUT<br />
+13.4V<br />
8KV2_VOLTAGE_RDBK<br />
8KV2_V_SET<br />
C146<br />
R237 C143<br />
B -13.4V<br />
.01UF<br />
B<br />
.01UF<br />
100k, 0.1%<br />
[18] 8KV2_I_RDBK<br />
8KV2_I_RDBK<br />
D<br />
D<br />
D<br />
TP5<br />
R19<br />
CURRENT<br />
0 to +10V=<br />
C 0-10V DAC<br />
C<br />
CONTROL<br />
0 to 100uA<br />
10K<br />
0->10V=<br />
8KV2_I_SET<br />
8KV2_I_SET [6,19]<br />
[6,19] 8KV2_I_SET<br />
0->100uA<br />
+5V<br />
POLARITY<br />
CONTROL<br />
TTL1 = POS<br />
TTL0 = NEG<br />
VOLTAGE<br />
READBACK<br />
0 to 8V =<br />
0 to 8KV<br />
CURRENT<br />
READBACK<br />
0 to 10V =<br />
0 to 100uA<br />
CONSTANT<br />
V/I MODE<br />
0=V MODE<br />
TP4<br />
CONSTANT CURRENT MODE<br />
TTL LEVELS<br />
C135<br />
.01UF<br />
0 to +8V=<br />
0 to 8KV<br />
R17<br />
10K<br />
OPA2277<br />
1<br />
+ 3<br />
- 2<br />
U25A<br />
8<br />
4 +<br />
"8KV2 EN"<br />
R94<br />
10K<br />
D19<br />
GRN LED<br />
14<br />
9<br />
10<br />
7<br />
U8C<br />
-13.4V<br />
-U25B -U25B<br />
7<br />
OPA2277<br />
+13.4V<br />
8<br />
74AHCT00<br />
8 4<br />
+<br />
6<br />
5<br />
A CONSTANT VOLTAGE MODE<br />
A<br />
1=I MODE<br />
14<br />
[5] 8KV2_IN_IMODE_FPGA_IN<br />
8KV2_IN_IMODE_FPGA_IN<br />
11 U7D<br />
12<br />
13<br />
7<br />
R91<br />
8KV2_IS_IN_IMODE [19]<br />
74AHCT08<br />
10K<br />
<strong>Thermo</strong> 355 River Oaks Pkwy, San Jose, CA 95134-1991<br />
D<br />
ELECTRON CORPORATION<br />
Title<br />
SCH, PCB, ANALOG BOARD, LT<br />
R226<br />
1M<br />
3<br />
C136<br />
.01UF<br />
C75<br />
.01UF<br />
D<br />
14<br />
12<br />
13 U8D 11<br />
7<br />
74AHCT00<br />
R93<br />
10K<br />
D<br />
8KV2_V_SET<br />
8KV2_CURRENT_RDBK [19]<br />
2<br />
2<br />
[6,19]<br />
8KV2_POSITIVE [19]<br />
8KV2_VOLTAGE_RDBK [19]<br />
8KV Power Supply #2 Control<br />
1<br />
Size Document Number Rev<br />
B<br />
97055-91030<br />
B<br />
Date: Friday, May 12, 2006<br />
Sheet 12 of 19<br />
1
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