High-Level Control; Settling Time (Within 5% Of Final Value) - HP 8112A Operating, Programming And Servicing Manual

Procedure

High-Level Control

Verification Test
Characteristics
Equipment
1 . Connect the equipment as shown in the setup figure
2. Set up the HP 81 12A as follows:
Trigger Mode
Control Mode
Transition
PER
DEL
HIL
LOL
3. Set the counter to PULSE A
4. Vary the power supply or HP 3324A between approx 1 volt and
10 volts and verify that for the following HP 8 1 1 2A settings, the
pulse width range agrees with those specified.
Control Voltage -8.0 V to +8.0 V
-8.0 v to +8.0 v into
High-Level
Output Window low level which is programmable between -8.0 V
and + 7.95 V in 50 mV steps.
200 µs to settle within 53 of final level.
Settling Time
•
Oscilloscope (HP 54121T or HP 54503A)
•
Pulse/Function Generator (HP 81 16A)
•
Cable Assembly BNC (5 off)
•
Attenuator 20 dB, 2 W (2 x )
NORM
WIDC
Fixed
999 ms
65 ns
2.00 v
0.00 v
HP 8 112A Counter
setting reading
WID Low High
100 ns 10 ns 100 ns
100 µs 10 µs 100 µs
10 ms 100 ms
100 ms
son,
independent of actual
Testing Performance 8-27