34951a d-sub connector pinout, Dac x, Each dac is configured as shown in this drawing – Agilent Technologies Switch/Measure User Manual
Page 206
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34980A User’s Guide
9
4-Channel Isolated D/A Converter with Waveform Memory Module
The following diagram shows individual DAC channel configuration.
All channels are configured the same.
34951A D-Sub Connector Pinout
Each DAC is configured
as shown in this
drawing.
External
Clock
External
Trigger
Internal
Clock
Internal
Trigger
16 Bits
Waveform
Memory
HI Voltage Sense
LO Voltage Sense
HI Voltage,
+ Current
LO Voltage,
− Current
DAC
x
Calibration constant in
non-volatile memory
Control Logic
Immediate
Data
25 mA resettable
thermal fuse
Internal to the 34951A Module
User-Supplied Connections
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
GND
GND
NC
4 L
4H
3L
3H GND GND
NC
2L
2H
GND
NC
1L
1H
GND
EXT
CLK
GND
4L
Sense
4H
Sense
GND
TRIG GND
2L
Sense
2H
Sense
1L
Sense
1H
Sense
GND
3L
Sense
3H
Sense
GND GND
Description
Pin
Description
Pin
Description
Pin
Description
Pin
Description
Pin
1L
15
3L Sense
21
GND
8
GND
34
GND
44
1H
16
3H Sense
22
GND
9
GND
35
GND
45
1L Sense
31
4L
3
GND
13
GND
36
GND
46
1H Sense
32
4H
4
GND
17
GND
37
GND
47
2L
11
4L Sense
19
GND
18
GND
38
GND
48
2H
12
4H Sense
20
GND
23
GND
39
GND
49
2L Sense
27
External Clock
24
GND
26
GND
40
GND
50
2H Sense
28
Trigger
25
GND
29
GND
41
No Connect
2
3L
5
GND
1
GND
30
GND
42
No Connect
10
3H
6
GND
7
GND
33
GND
43
No Connect
14