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2232
User Manual
A-35
--
Appendix
C:
Performance Verification
Step
9:
Check Bandwidth Limit Operation
a. Set:
BW LIMIT
On (button in)
VOLTSIDIV
(both) 10 mV
AC-GND-DC
(both)
DC
A
SECIDIV
20 ps
A Trigger Mode
P-P AUTO
A
&
B SOURCE
Vertical
MODE STOREINON-STORE NON-STORE
(button
out)
b. Set the generator to produce a 50 kHz, six division display.
c. Adjust the generator output frequency until the display amplitude
decreases to 4.2 divisions.
d. CHECK
-
Generator output frequency is between
18
and
22
MHz.
e. Move the cable from the
CH
2
OR
Y
input connector to the
CH 1
OR
X
input connector.
f.
Set the Vertical
MODE
switch to
CH 1.
g. Repeat parts c and d.
h. Disconnect the test equipment from the instrument.
Step
10:
Check Common-Mode Rejection Ratio
a. Set:
BW LIMIT
INVERT
Off (button out)
On (button in)
b. Connect the leveled sine wave generator output via a 50
CI
cable, a
50
CI
termination, and a dual-input coupler to the
CH
1
OR
X
and the
CH
2
OR
Y
input connectors.
c. Set the generator to produce a 50 MHz, six division display.
d. Vertically center the display using the
CH
1
POSITION
control. Then
set the Vertical
MODE
switch to
CH
2
and vertically center the
display using the
CH
2
POSITION
control.
e. Set the Vertical
MODE
switches to
BOTH
and
ADD.
f.
CHECK
-
Display amplitude is 0.6 division or less.
g. If the check in part
f
meets the requirement, skip to part p. If it does
not, continue with part h.
h. Set the Vertical
MODE
switch to
CH
2.
i.
Set the generator to produce a 50 kHz, six division display.
j.
Set the Vertical
MODE
switch to
BOTH.
k. Adjust the
CH 1
or
CH
2
VOLTSIDIV
Variable control for minimum
display amplitude.
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