Test Setup; Procedure; Delay Control Verification Test; Correct Delay Control - HP 8112A Operating, Programming And Servicing Manual

Test Setup

HP 3324A
Figure 8-16. Delay Control Verification Test

Procedure

1. Connect the equipment as shown in the setup figure.
2. Set up the HP 8112A as follows:
3. Vary the power supply or HP 3324A between approx 1 volt and 10
4. Connect the HP 8112A output to the counter.
5. Change HP 8112A as follows:
6. Set the counter as follows:
Oscilloscope (HP
Trigger Mode
Control Mode
Transition
P E R
DEL
WID
HIL
volts and verify that oscilloscope display indicates delay time of
between 75 ns and 170 ns as shown below.
P E R
WID
TIME
Slopes A and B
Transition Positive
Trigger levels 1.0 V
Gate Mode
NORM
DELC
Fixed
200 ns
100 ns
50 ns
2.00 v
0.00 v
999 ns
300 ms
Testing Performance 8-25