Tektronix LTA7P Series, Руководство по обслуживанию

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Adjustment/Verification Fixture Adjustment
5- 22
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
H
Record Length 5000
H
Horizontal Scale Main Scale @ 500 ps/div
c. Set up the Trigger menu as follows:
H
Source CH2
H
Coupling DC
H
Slope +
H
Level 700 mV
H
Mode Normal
d. Set up the Measure menu as follows:
H
Select Measurement for CH1 Measure
H
Gating Off
e. Set up the Cursor menu as follows:
H
Function V Bars
f. Set up the Acquire menu as follows:
H
Acquisition Mode Sample
H
Repetitive Signal On
3. Using the delay taps on Delay SETUP ADJ., add or subtract the appropriate
delay to ensure a 3.0 ns (
±
25 ps) timing difference between R67 and R127
(J4 -- SU/HOLD CLK OUT). See Note on page 5--16.
4. Install a jumper at J19 and verify that the signal at R127 changes to a Falling
Edge.
5. After completing the adjustment/verification fixture adjustment procedure,
do the performance verification procedure that starts on page 4--21.