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Publication No. 980938 Rev. K
Model T940 User Manual
Astronics Test Systems
DR9 Driver/Receiver Board H-3
Block Diagram
This section describes the basic hardware configuration of the DR9
Driver/Receiver (DRA or DRB).
The DR9 is comprised of four major logic sections as shown in Figure H-2.
•
Auxiliary Driver & Receiver I/O
•
DR9 Driver & Receiver I/O
•
Control Logic
•
Firmware & NV Data
DR9
DB
FRONT
PANEL
AUXILIARY
DRIVER
&
RECEIVER
I/O
DR9
DRIVER
&
RECEIVER
I/O
CONTROL
LOGIC
FIRMWARE
&
NV DATA
AUX DATA[5:8]
AUX EN[5:8]
AUX RH[5:8]
AUX[5:8]
CH DATA[1:24]
CH EN[1:24]
CH RH[1:24]
CH RL[1:24]
MP SIG
CBUS
CH[1:24]
ACH[1:24]
MF SIG
OC[1:24]
GND_REF
TEMPMON
EXTFORCE
MONITOR
INTERRUPT
EXTSENSE
OVERVOLT
V+/V- PC
V+/V-
DUT_GND
EXTSENSE
DUT_GND
V+/V-
I/O CONTROL
TEMPMON
OVERVOLT
EXTFORCE
GND_REF
MONITOR
DUT_GND FP
I/O CONTROL
I/O CONTROL
I/O CONTROL
Figure H-2: DR9 Driver/Receiver Block Diagram