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Model T940 User Manual
Publication No. 980938 Rev. K
DR4 Driver/Receiver Board E-2
Astronics Test Systems
CHA[9:24]
DATA [9:24]
RH/RL [9:24]
BYPASS [9:24]
EN [9:24]
SHUTDOWN [9:24]
16 HIGH VOLTAGE
CHANNELS
VD1+
PROG POSITIVE
REGULATOR
+2V TO +34V
+48V
VD1-
PROG NEGATIVE
REGULATOR
-2V TO -34V
DAC
CONTROL
DAC
CONTROL
CHANNELS TO MUX/ADC
VOLTAGE TO MUX/ADC
VOLTAGE TO MUX/ADC
CHA[1:8]
DATA [1:8]
RH/RL [1:8]
BYPASS [1:8]
EN [1:8]
SHUTDOWN [1:8]
VD2+
PROG POSITIVE
REGULATOR
+2V TO +34V
+48V
+48V
VD2-
PROG NEGATIVE
REGULATOR
-2V TO -34V
DAC
CONTROL
DAC
CONTROL
CHANNELS TO MUX/ADC
VOLTAGE TO MUX/ADC
VOLTAGE TO MUX/ADC
CHB[49:56]
RH/RL[49:56]
BYPASS[49:56]]
EN [49:56]
SHUTDOWN[49:56]
DATA[49:56]
HIGH VOLTAGE
CHANNELS
CHB[33:48]
DATA[33:48]
RH/RL[33:48]]
BYPASS[33:48]
EN [33:48]
SHUTDOWN [33:48]
16 HIGH VOLTAGE
CHANNELS
VD3+
PROG POSITIVE
REGULATOR
+2V TO +34V
+48V
VD3-
PROG NEGATIVE
REGULATOR
-2V TO -34V
DAC
CONTROL
DAC
CONTROL
CHANNELS TO MUX/ADC
VOLTAGE TO MUX/ADC
VOLTAGE TO MUX/ADC
FP J200
FP J200
FP J201
FP J201
Figure E-1: DR4 I/O Block Diagram