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Chapter 3: Testing Logic Analyzer Performance
Test Pod 2 in 300 Mb/s Mode
Test Pod 2 in 300 Mb/s Mode
1
Disconnect the E5382A Flying Lead Probe Set from Pod 1 and connect it
to Pod 2 of the logic analyzer. Do not remove the flying leads that are
connected to CLK, CLK, and the data channels.
2
On the 8133A pulse generator, in the PULSE setup for CHANNEL 2, press
the COMP button to return the outputs to normal.
3
Note that the signal on the oscilloscope has moved. Change the
oscilloscope’s horizontal position to 525 ps (or as required) to center the
measured pulse on the oscilloscope display.
4
Verify the DC offset and adjust it if necessary. See page 32.
5
Deskew the oscilloscope if necessary. See page 33.
6
Readjust the pulse width from the pulse generator as measured on the
oscilloscope. See page 35.
7
From the Logic Analysis System main menu, select
Setup
→
My
16950A
→
Bus/Signal...
8
Scroll to the right and unassign all Pod 1 bits.
9
Set the Pod 2 threshold to 1 volt (just as you did for Pod 1 on page 40).
10
Assign bits 2, 6, 10, and 14 of Pod 2.
11
Scroll to the left and select the
Clock Thresholds
button. In the “Threshold
Settings - Clocks” window, select the
Pod 2
clock threshold button. The
“Threshold Settings: Clock for Pod 2” window will appear. Set the Clk2
threshold to
Differential
.
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