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Model T940 User Manual
Publication No. 980938 Rev. K
UR14 Driver/Receiver Board I-34
Astronics Test Systems
Table I-20: J9B Pinout
Name
Pin
No.
Description
AUX5 B
1
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm series
AUX6 B
3
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm series
AUX7 B
5
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm series
AUX8 B
7
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm series
PROBE MODE B
9
(Output) Probe Support Output
BCLK B
11
(Output) Serial Clock
PBUT B
13
(Bi-directional) Probe Button Input
MPSIG B
15
(Output) Multi-purpose Signal
MONITOR B
17
(Output) Monitor signal from the Pin Electronics devices
Note: Only one channel can be selected at a time.
EXTFORCE B
19
(Input) External Force routed to all of the Pin Electronics devices
GND
2-20
(Even)
Ground
Calibration
Driver/Receiver boards are calibrated using the following settings prior to
shipment:
•
-15 V to +17 V Voltage Mode
– Power Converter -12 to +12
•
-7 V to +24 V Voltage Mode
– Power Converter -5 to +15
DAC Basic
Factory stored in EEPROM
Driver channel deskew
Factory stored in EEPROM
ADC/Monitor
Field upgradable stored in EEPROM
DVH/DVL
Field upgradable stored in EEPROM
CVH/CVL
Field upgradable stored in EEPROM
Vcom High/Vcom Low
Field upgradable stored in EEPROM
Isource//Isink
Field upgradable stored in EEPROM
IAL/IAH
Field upgradable stored in EEPROM
Inter-module timing deskew
Static
End-of-cable deskew
Static