Agilent Technologies 16900 Series, Service Manual

Page: 73 / 104

73
Chapter 5: Troubleshooting
To test the cables
To test the cables
This test allows you to functionally verify the logic analyzer cable and the flying
lead probe of any of the logic analyzer pods. Only one probe and cable can be
tested at a time. Repeat this test for each probe and cable to be tested. Two
Flying Lead Probes are required if you need to test pods other than Pod 1
because the clock from Pod 1 will be used to acquire data.
Equipment Required
Set up the test equipment
1 If you have not already done so, do the procedure “Perform System Self-
Tests” on page 30.
2 Set up the pulse generator.
a Set up the pulse generator according to the following table:
Pulse Generator Setup
Equipment Critical Specification Recommended Model/Part
Pulse Generator 40 MHz, 3 ns pulse width,
< 600 ps rise time 8133A Option 003
2 x 9 Test Connectors
(Qty 2) no substitute See “To Assemble the 2 x 9 Test
Connectors” on page 71.
SMA m-m adapter
(Qty 2) Johnson 142-0901-811 SMA Plug
to Plug or similar
Flying Lead Probe
(Qty 2) no substitute HP or Agilent E5383A
Timebase Pulse Channel 2 Trigger Pulse Channel 1
Mode: Int Mode: Pulse
÷
1 Disable (LED on) Doesn’t matter, not used in
this test.
Freq: 40
MHz Delay: (not available in pulse
mode)
Width: 3 ns
Ampl: 3 V
Offs: 1.5 V
Output: Enable (LED off)
Comp: Normal (LED off)
Limit: Off (LED off)
Output: Enable (LED off)