Tektronix TDS544A Manuel d'utilisateur télécharger pdf (Page 83)

Performance Tests

TDS 520A, 524A, 540A, & 544A Performance Verification

Press the side-menu V Bars.

Using the General Purpose knob, place the left cursor directly

over the trigger “T” icon.

Press SELECT.

Turn the General Purpose knob to adjust the right cursor for a

cursor delta reading of 6.780us.

Use the HORIZONTAL POSITION knob to position the right

cursor to center screen.

Verify that the cursor is positioned on a positive slope of the burst

signal (See Figure 1-38).

Figure 1-38: Line Count Accuracy Correct Result Waveform

Disconnect all test equipment (TSG 121) from the digitizing

oscilloscope.

Turn off cursors by pressing CURSOR, then the main-menu

Function button, and, finally, Off from the side menu.

7. Check the Sync Duty Cycle.

a. Setup digitizing oscilloscope for Sync Duty Cycle Test.

Press TRIGGER MENU.

Press the Standard pop-up to select FlexFmt. (Trigger Type

should already be set to Video)

Press the main-menu Setup.

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Tektronix TDS544A Manuel d'utilisateur Page 83