AVG7 module adjustment procedures
13. Change the osci
lloscope settings as follows:
Vertical offset –150 mV (CH 1 and CH 2)
Horizontal de
lay time
2ns/div
Delayed runs t
ime
6.224 μs (Delayed Only)
14. CheckthetimedelaybetweentheCH1andCH3signalsandthenperform
the followin
gsteps:
a. If the CH 1 signal is delayed from the CH 3 signal, move the BNC cable
from the CH 3
connector to the CH 2 connector on the AVG7 Generator
module.
b. If the CH 3 s
ignal is delayed from the CH 1 signal, move the BNC cable
from the CH 1 connector to the CH 2 connector on the AVG7 Generator
module.
15. Using the most delayed signal as a reference, adjust the following variable
capacitors so that the o ther signals are delayed within 0.5 ns from the most
delayed signal:
CH 1 output C837A
CH 2 output C737A
CH 3 output C637A
TG8000 Multiformat Test Signal Generator Service Manual 6–17
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