HP 83751A - Page 78

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Front/Rear Panel
Connectors
Table 7-1. Pin Description of the Auxiliary Interface
Pin # Function In/Out Signal
level
1 Alternate Sweep Out out TTL
2 Z-Axis Blanking/Markers out
Blank- +5 V
Marker- -5 V
3
Spare
In f12 v
4
Rear Panel Control 3 I/O TTL
5
low Stop Sweep
I/O TTL
6 +5.2 v out
+5.2 v
1
Digital Ground
Gnd
8
Low Divider-Sync
I/O TTL
9
External Trigger
In TTL
10 Rear Panel Control 1 I/O TTL
11
Rear Panel Control 0
I/O TTL
12 low Retrace I/O TTL
13
Alternate Sweep In
In TTL
14 Low Marker out TTL
15
Low Clualified Stop Sweep
out rr!
16
Rear Panel Control 4
out TTL
17 Rear Panel Control 2 I/O TTL
18
Sweep Output
out
0 to 10 V ramp”
19 Digital Ground
Gnd
20 No Connection
21
No Connection
22 No Connection
23 low Source Settled
In TTL
24 low Source Settled
out TTL
25 Spare
out
f12 v
* Or 0 to 10 V pulses when used with a HP 87570 scalar analyzer.
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