HP 8114A Service Manual

3. Set the Digitizing Oscilloscope HP 54121T:
l Press (AUTOSCALE)
I Center one pulse on screen, e.g.: TIME/DIV = 50 &div, DELAY
= 365 ,us,
I Select the Display menu and set the Number of Averages to 32
I Select the Channel menu and set the Attenuation factor to 10
n Select the Delta V menu and turn the voltage markers On
I Set the Preset Levels = 10-90X and press [AUTO LEVEL SET)
I Select the Timebase menu and set TIME/DIV = 2 ns/div, DELAY
= 40.7 ns
m Select the Delta t menu and turn the markers On
m Set START ON EDGE = POSl and STOP ON EDGE = POSl
4. Set period of HP 8114A to: Period = 1 ps
5. After the averaging, while the oscilloscope is in the Delta t menu,
Press the [PRECISE EDGE FIND) key
6. Check the HP 8114A rise time at the following leading edge setting:
‘able 3-13. Leading Edge Setting
mi
Test 8.lb: Trailing Edge Test
Trailing edge for amplitudes >5 V from 5062 into 500.
Note
3
The Leading Edge test must be performed before you start this test.
Procedure
1. Set the Digitizing Oscilloscope HP 54121T:
I Select the Timebase menu and set TIME/DIV = 2 ns/div, DELAY
= 542 ns
u Select the Delta t menu
n Set START ON EDGE = NEGl and STOP ON EDGE = NEGl
2. While the oscilloscope is in the Delta t menu, press the
[PRECISE EDGE FIND) key
3. Check the HP 8114A output signal falls at the following trailing
edge setting:
‘Ihble 3-14. Trailing Edge Setting
Oscilloscope Delay Period Acceptable TR
II
J-38 Testing the HP 8114A

HP 8114A Specifications

General

Brand	HP
Model	8114A
Category	Inverter
Language	English