Figure 3-19: Rejecting Common Mode Signal - Tektronix 2221A User Manual

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2221A User Manual
I j Step 3: Adjust the vertical position of the resultant display with both the
Channel 1 and Channel 2 POSITION controls.

Figure 3-19: Rejecting Common Mode Signal

Displaying Signals
Channel 1 signal with undesired
AC component
Channel 2 with undesired AC
component inverted
Channel 1 and Channel 2 (invert) in the ADD
Mode. Undesired AC component is canceled.
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