Performance Tests
4–20
TDS 340A, TDS 360 & TDS 380 Technical Reference
16. Press WAVEFORM OFF.
17. Press CH 2.
18. Press TRIGGER MENU ! Source ! Ch2.
19. Disconnect the hookup from CH 1 and connect it to CH 2.
20. Set the vertical SCALE to 500 mV/div.
21. Repeat steps 14 and 15 for Channel 2.
22. Press TRIGGER MENU ! Source ! EXT/10.
23. Press MEASURE ! Select Measrmnt ! Amplitude.
24. Increase the generator amplitude until the amplitude measurement reads
1.5 V if you are checking a TDS 340 or TDS 360. Increase the generator
amplitude until the amplitude measurement reads 4.0 V if you are checking a
TDS 380.
25. Repeat steps 14 and 15 for the external trigger.
26. Disconnect the test hookup.
Trigger level accuracy is verified by the successful completion of the Self Tests
and the DC voltage measurement accuracy procedure on page 4–11.
This completes the performance verification procedure.
Sine Wave Generator Leveling Procedure
Some procedures in this manual require a sine wave generator to produce the
necessary test signals. If you do not have a leveled sine wave generator, use the
following procedure to level the output amplitude of your sine wave generator
using a power meter.
Equipment Required: Sine wave generator, level meter and power sensor,
power splitter, and one precision coaxial cable.
Time Required: About 5 minutes.
Prerequisites:
See page 4–11.
Procedure:
1. Connect the equipment as shown in Figure 4–11.
2. Set the sine wave generator to a reference frequency of 50 kHz.
Trigger Level Accuracy,
DC Coupled
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