Tektronix TDS500C Manuel d'utilisateur télécharger pdf (Page 66)

Performance Tests

1–50

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

H Connect the output of the DC calibration generator, through a

dual-banana connector followed by a 50 W precision coaxial cable,

to one side of a BNC T connector.

H Connect the Sense output of the generator, through a second

dual-banana connector followed by a 50 W precision coaxial cable,

to other side of the BNC T connector. Now connect the BNC T

connector to CH 1.

b. Initialize the oscilloscope:

H Press save/recall Setup.

H Press the main-menu button Recall Factory Setup.

H Press the side-menu button OK Confirm Factory Init.

2. Confirm Main trigger system is within limits for Trigger-level/Threshold

accuracy:

a. Display the test signal:

H Set the vertical SCALE to 200 mV.

H Press VERTICAL MENU, then press the main-menu button

Position.

H Set vertical position to –3 divisions (press –3, then ENTER, on the

keypad). The baseline level will move down three divisions. See

Figure 1–17 on page 1–51.

H Press the main-menu button Offset.

H Set vertical offset to +10 volts with the keypad. The baseline level

will move off screen.

H Set the standard output of the DC calibration generator equal to the

offset (+10 volts). The DC test level will appear on screen. See

Figure 1–17.

b. Measure the test signal:

H Press SET LEVEL TO 50%.

H Press TRIGGER MENU.

H Read the measurement results from the readout below the label

Level in the main menu, not the trigger readout in the graticule area.

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Tektronix TDS500C Manuel d'utilisateur Page 66