Performance Tests
4-80
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
H Set the trigger as follows:
TDS7704B: Touch the Source Line button.
All other CSA/TDS7000B: Press the front-panel PUSH TO SET
50% as necessary to trigger a stable display. At full bandwidth, you
may also want to make small, manual adjustments to the trigger
level. You can use the Trigger LEVEL knob to do this.
f. Measure the test signal:
H Set the frequency of the generator, as shown on screen, to the test
frequency in Table 4--7 that corresponds to the vertical scale set in
substep c. See Figure 4--16.
H Set the horizontal SCALE to the horizontal scale setting in
Table 4--7 that corresponds to the vertical scale set in substep c.
Press PUSH TO SET 50% as necessary to trigger the signal.
H Read the results at the CHx Pk-Pk mean readout, which will
automatically measure the amplitude of the test signal. See Figure
4--16.
Set the generator (reference)
frequency to the test
frequency from Table 4--7.
1
Set the horizontal scale
from Table 4--7.
2
Read results.
3
Figure 4- 16: Measurement of analog bandwidth
g. Check against limits:
H CHECK that the Pk-Pk mean readout on screen is within the limits
listed in Table 4--7 for the current vertical scale setting.
H Enter the voltage on the test record.
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