Tektronix TDS544A Bedienungsanleitung PDF herunterladen (Seite 74)

Performance Tests

Performance Verification Procedures

3. Check Jitter vs. Signal Amplitude

a. Setup equipment for Jitter Test (See Figure 1-27).

Connect one of the rear panel composite outputs marked

COMPST on the TSG121 through a 75 cable and a 75

terminator to the oscilloscope CH1 input.

Press the PAL signal source 100% FIELD control (the fourth

TSG121 front-panel button from the left).

75 Cable

PAL Signal

Source

TSG121

COMPST

Terminator

Figure 1-27: Jitter Test Hookup

b. CHECK that the oscilloscope lights up its front panel TRIG’D LED

and it displays the waveform on screen (See Figure 1-28).

Figure 1-28: Jitter Test Displayed Waveform

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Tektronix TDS544A Bedienungsanleitung Seite 74