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Performance Tests
TDS 684A, TDS 744A, & TDS 784A Service Manual
4–29
Align the active cursor
over the waveform.
1
Read the
measurement
results.
2
Figure 4–4: Measurement of DC Offset Accuracy at Zero Setting
g. Test all channels: Repeat substeps a through f for all input channels.
3. Disconnect the hookup: No hookup was required.
WARNING. The generator is capable of outputting dangerous voltages. Be sure to
set the DC calibration generator to 0 volts before connecting, disconnecting,
and/or moving the test hookup during the performance of this procedure.
Equipment
Required
Two dual-banana connectors (Item 6)
One BNC T connector (Item 7)
One DC calibration generator (Item 9)
Two precision coaxial cables (Item 5)
Prerequisites The oscilloscope must meet the prerequisites listed on page 4–15
Check DC Voltage
Measurement Accuracy