Tektronix TDS 820, Manual

Page: 47 / 94

Performance Tests
TDS 820 Performance Verification
1Ć33
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Adjust the generator amplitude for a Pk-Pk readout of 191 mV.
See Figure 1-12.
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Press MEASURE.
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Press the main-menu button Remove Measrmnt; then press the
side-menu buttons Measurement 1.
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Press MATH REF.
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Press the main-menu button Math 2; then press the side-menu
button Change Math Waveform Definition.
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Press the main-menu button Dual Wfm Math.
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Press the side-menu button Set 1st Source to; then, using the
general purpose knob, set the source to Ch 1.
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Press the side-menu button Set Operator to; then, using the
general purpose knob, set the operator to –.
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Press the side-menu button Set 2nd Source to; then, using the
general purpose knob, set the source to Ch 2.
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Press the side-menu button OK Create Math Wfm.
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Set the Math2 vertical scale to 10 mV.
First, set the generator
amplitude.
Figure 1-12: Generator Settings for Delta Time Measurement Between Channels