Application Examples
2–4
TDS3000 Series User Manual
Measuring Two Signals
You are testing a piece of equipment and need to measure the gain of
its audio amplifier. You have an audio generator that can inject a test
signal at the amplifier input. Connect two oscilloscope channels to
the amplifier input and output as shown. Measure both signal levels
and use these measurements to calculate the gain.
Ch 1 Ch 2
To display the signals connected to channels 1 and 2, do these steps:
1. Push the CH 1 and CH 2 buttons to activate both channels.
2. Push the AUTOSET button.
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