Tektronix 784A Manuel d'utilisateur télécharger pdf (Page 173)

Adjustment Procedures

5–14

TDS 684A, TDS 744A, & TDS 784A Service Manual

Digitizing Oscilloscope

BNC-Female-to-

Female BNC

Adapter

Leveling Head

BNC-to Probe

Tip Adapter

High Frequency

Sine Wave

Generator

Output

Figure 5–6: Initial Test Hookup

c. 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.

d. Modify the initialized front-panel control settings:

H Set the vertical SCALE to 500 mV.

H Set the horizontal SCALE to 100 ns.

H Push SET LEVEL TO 50% as required to trigger the signal.

H Press SHIFT. Then press ACQUIRE MENU.

H Press the main-menu button Mode. Then press the side-menu button

Average 16.

H Press MEASURE.

H Press the main-menu button Hi-Low Setup. Then press the

side-menu button Min-Max.

H Press the main-menu button Select Measrmnt for Ch1.

H Repeatedly press the side-menu button –more– until Pk-Pk appears

in the side menu. Press the side-menu button Pk-Pk.

H Press CLEAR MENU.

2. Confirm that the Probe Compensator signal is within limits for bandwidth:

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Tektronix 784A Manuel d'utilisateur Page 173