Tektronix 2245A Operator's Manual page 86

Basic Applications
CH 1 SIGNAL
WITH UNWANTED
LINE FREQUENCY
COMPONENT
CH 2 SIGNAL
FROM LINE
FREQUENCY
SOURCE
(INVERTED)
SIGNAL WITH
LINE FREQUENCY
COMPONENT
CANCELED
F ig u re 5 -7 .
5-16
V ■
' s
.
V
• N .
' T
i f p
(A) CH 1 AND CH 2 SIGNALS.
_ m m i
2 ' . 2 i
(B) RESULTANT SIGNAL.
E lim in atin g c o m m o n -m o d e sig nals.
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N
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2245A Operators
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6 5 5 8 - 2 2