4
•
10
PERFORMANCE
VERJFJCATION PROCEDURE
19. Trigger
sensitivity externai
channei
This test checks
the trigger sensitivity, using
the ©jcternal banana connectors
as
the trigger
input.
Test equipment:
Phiiips PM 5134 Fur>clion
Generator
Test setup:
Procedure/requiremants:
A Apply a 1 kHz sine wave signal,
that has an amplitude
of 1 .2 V peak-to-peak, superimposed
on
1
.4V DC to channei A and
to the banana input sockets.
U&e a coaxial signal spiitter and a BNC*
tO'banana converter
(see test setup).
Use 50Q terminations.
G Verify that the signal
is well triggered.
CTirn
Figure 4.7
1.2V peak-to-peak sine wa
ve
superimposed
on 1.4V DC
20. Horizontai
deflection: x-deflection
TNs test checks the correct
working of the X-Y (A versus
B) mode.
Test equipment:
Philips PM 5134
Function Generator
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