Agilent Technologies 54502A Manuale di Servizio Scaricare il pdf (Pagina 76)

Horizontal

Phase,

Vertical

Linearity, and

Height

Adjustments

1. Refer to figure for adjustment locations.

2. Place TIMING WAVEFORMS menu on the screen of the H P 1650B/51B by

pressing front-panel DISPLAY key.

Note This menu is used because it has characters and lines throughout the menu which

are watched during the procedures. Any other menu may be used, however, the

adjustments may not be as accurate.

3. Adjust sweep board H. PHASE to center the menu horizontally on the CRT

screen.

4. Adjust sweep board V. LIN so top and bottom rows of text are equal in height.

Text height should be approximately 1mm.

Note The V. LIN and HEIGHT adjustments are interactive and may need to be

repeated as necessary.

5. Adjust sweep board HEIGHT to give the screen menu top and bottom

borders equal to the side borders of the menu.

6. Readjust steps 4 and 5 as necessary for a uniform display of the screen menu.

Adjustments HP 1650B/1651B

4-6 Service Manual

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Agilent Technologies 54502A Manuale di Servizio Pagina 76