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Publication No. 980938 Rev. K
Model T940 User Manual
Astronics Test Systems
DR3e Driver/Receiver Board D-15
Pin No.
Signal
Pin No.
Signal
41
SIG_GND
91
AUX10- A
42
AUX5 A
92
AUX11+ A
43
SIG_GND
93
AUX11- A
44
AUX6 A
94
AUX12+ A
45
SIG_GND
95
AUX12- A
46
PBUT_A
96
BCLK-A
47
PMODE_A
97
SIG_GND
48
SIG_GND
98
EXTFORCE A
49
GNDREF A
99
SIG_GND
50
MONITOR A
100
DUT_GND A
DRB I/O Channels (J201)
Table D-8: DR3e, DRB I/O Channels (J201)
Name
Pin No.
Description
CH33-CH64
Various
(Bi-directional) High speed channels
DUT_GND B
100
(Input) DUT/UUT ground reference. All of the Pin Electronics
devices have a UUT ground reference input that can be
selected to be this signal or signal ground.
SIG_GND
Various
Signal Ground reference
AUX1 B
34
(Bi-directional) General Purpose I/O pin. Also used as the
probe input data channel.
AUX2 B
36
(Bi-directional) General Purpose I/O pin
AUX3 B
38
(Bi-directional) General Purpose I/O pin
AUX4 B
40
(Bi-directional) General Purpose I/O pin
AUX5 B
42
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX6 B
44
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX7 B
84
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX8 B
86
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX9+ B
88
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX9- B
89
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX10+ B
90
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX10- B
91
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11+ B
92
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11- B
93
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12+ B
94
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12- B
95
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
PBUT B
46
(Bi-directional) Probe Button Input