Performance Check Procedure-2225 Service
7.
Check Common Mode-Rejection Ratio
a. SET:
VOLTSIDIV (both) 10 mV
AC-GND-DC (both) DC
d. SET:
Vertical MODE BOTH, CH2
INVERT,
and ADD
b. Connect the leveled sine-wave generator out-
put via a
504 BNC coaxial cable, a
504
BNC termi-
e. CHECK-That the ADD trace is
0.6
division or
nation, and dual-input coupler to the
CHI
OR
X
and
less,
CH
2
OR
Y
input connectors.
c. Set the generator to produce a 10-MHz,
six-
f.
Disconnect the test equipment from the instru-
division display. ment.
REV
APR
1990
Scans
by
ARTEK
MEDLQ
=>
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