Tektronix TDS500C Manuale Utente Scaricare il pdf (Pagina 99)

Performance Tests

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

1–83

Figure 1–40: Sync duty cycle test: critically adjusted pulse

H Press TRIGGER MENU.

H Press the main-menu Type pop-up until you select Video.

If the TRIG’D LED is not lighted, check that the CH1 – Width and

CH1 Period measurements are adjusted correctly. See note above.

CONFIRM that the setup is correct and the oscilloscope will trigger.

H CONFIRM that the TRIG’D LED is lighted and the waveform is

stable.

H Disconnect the signal source from CH1, wait a few seconds, then

reconnect the signal.

H CONFIRM that the TRIG’D LED is lighted and the waveform is

stable.

H Press Sync Polarity.

H Press Pos Sync.

H Push the pulse generator COMPLEMENT button out.

H CONFIRM that the TRIG’D LED is lighted and the waveform is

stable.

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Tektronix TDS500C Manuale Utente Pagina 99