
Model T940 User Manual
Publication No. 980938 Rev. K
DR4 Driver/Receiver Board E-12
Astronics Test Systems
Pin No.
Signal
Pin No.
Signal
25
SIG_GND
75
SIG_GND
26
CH45
76
NC
27
SIG_GND
77
SIG_GND
28
CH46
78
NC
29
SIG_GND
79
SIG_GND
30
CH47
80
NC
31
SIG_GND
81
SIG_GND
32
CH48
82
NC
33
SIG_GND
83
SIG_GND
34
AUX1 B
84
AUX7 B
35
SIG_GND
85
SIG_GND
36
AUX2 B
86
AUX8 B
37
SIG_GND
87
SIG_GND
38
AUX3 B
88
NC
39
SIG_GND
89
NC
40
AUX4 B
90
NC
41
SIG_GND
91
NC
42
AUX5 B
92
NC
43
SIG_GND
93
NC
44
AUX6 B
94
NC
45
SIG_GND
95
MPSIGB
46
PBUT_B
96
BCLK
47
PMODE_B
97
SIG_GND
48
SIG_GND
98
EXTFORCE B
49
NC
99
SIG_GND
50
MONITOR B
100
NC
Calibration
Driver/Receiver boards are calibrated for each range before shipment. Field
calibration can be performed using Soft Front Panel or API call.
Table E-7: Calibration Settings
ADC/Monitor
Factory calibrated stored in EEPROM
CHANNEL Measure
Factory calibrated stored in EEPROM
DVH/DVL
Field upgradable stored in EEPROM
CVH/CVL
Field upgradable stored in EEPROM