Test Setup; Procedure; Delay Performance Test - HP 8112A Operating, Programming And Servicing Manual

Test Setup

HP 8117A

Procedure

1. Connect the equipment as shown in the setup figure. Use a
50 CR feedthrough termination if you cannot select 50 R input
impedance on the counter.
2. Set up the HP 8112A as follows:
Input Mode
Control Mode
Transition
D T Y
HIL
3. Set the counter as follows:
TIME
Slopes A and B
Trigger levels
Gate Mode
4. Set the HP 8112A Delay and Period to the following values and
read the actual output from the counter. Record your results on a
copy of the Test Record, specified limits are given here and on the
Test Record.
Figure 8-2. Delay Performance Test
NORM
Off
Fixed
50%
2.40 V
0.00 v
Positive
1.2 v
HP 8112A
Counter reading
setting
D E L PER Low Limit High Limit
75 ns 95 ns
50 ps 95 ps 47.50 ps
10 ms 95 ms
900 ms 950 ms 855.0 ms
Counter (HP 5335A)
ns
83.75
52.50 ps
10.50 ms
945.0 ms
Testing Performance 8-5