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HP 81130A/’31A Performance Test
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When you are testing instruments with 2 output channels it is
necessary to:
a. Configure
ERWK
channels.
b. Switch OFF the channel that is not being tested
If you then test the other channel:
c. Switch ON the channel you are testing, and switch OFF the
other channel.
4. Set the Digitizing Oscilloscope HP 54121T:
•
Press AUTOSCALE
•
Select the Display menu and set the Number of Averages to 32
•
Select the delta V menu and turn the voltage markers On
•
Set the preset levels to 50% -50% and press AUTO LEVEL SET
•
Select the delta t menu and turn the time markers ON
•
Set START ON EDGE = POS 1 and STOP ON EDGE = NEG1
5. Change the oscilloscope timebase to 1 ns/div
6. Change the HP 81130A Ch-1 Width to 1.250 ns
7. Center the pulse in the Scope display
8. Press the PRECISE EDGE FIND key for each new Width set-
ting
9. Check the HP 81130A pulse width at the following settings:
