Tektronix TDS500C Manual

A SERVICE OF

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Performance Tests

1–60

TDS 500C, TDS 600B & TDS 700C Performance Verification and Specifications

Check output

Figure 1–21: Measurement of main trigger out limits

d. Check Delayed Trigger output against limits: See Figure 1–21.

H Move the precision 50 W cable from the rear-panel Main Trigger

Output BNC to the rear-panel Delayed Trigger Output BNC.

H CHECK that the Ch2 High readout is ≥1.0 volt and that the Ch2

Low readout ≤0.25 volts.

H Enter high and low voltages on test record.

H Press the side-menu button W to select the 1 MW setting.

H Press CLEAR MENU.

H CHECK that the Ch2 High readout is ≥2.5 volts and that the Ch2

Low readout is ≤0.7 volts.

H Enter high and low voltages on test record.

3. Confirm CH 3 (Ax1 on some TDS models) output is within limits for gain:

a. Measure gain:

H Move the precision 50 W cable from the rear-panel DELAYED

TRIGGER OUTPUT BNC to the rear-panel SIGNAL OUT BNC.

H Push TRIGGER MENU.