Tektronix TDS500C Manual do Utilizador descarregar pdf (Página 95)

Performance Tests

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

1–79

Figure 1–37: Line count accuracy correct result waveform

H Disconnect all test equipment (TSG 121) from the digitizing

oscilloscope.

H 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. Set up digitizing oscilloscope for Sync Duty Cycle Test:

H Press TRIGGER MENU.

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

already be set to Video.

H Press the main-menu Setup.

H Press the side-menu Field Rate.

H Use the keypad to set the field rate to 60.05 Hz (press 60.05, then

ENTER).

H Press the side-menu Lines.

H Use the keypad to set the field rate to 793 lines (press 793, then

ENTER).

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 147 148

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Tektronix TDS500C Manual do Utilizador Página 95