Tektronix TDS544A Manual de usuario descargar pdf (Pagina 67)

Performance Tests

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

Modify the initialized front-panel control settings:

Set the horizontal SCALE to 200 s.

Press SHIFT; then ACQUIRE MENU.

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

button Hi Res.

Confirm Main and Delayed Trigger outputs are within limits for logic

levels:

Display the test signal:

Press WAVEFORM OFF to turn off CH 1; then press CH 2 to

display that channel. Set the vertical SCALE to 1 V.

Press TRIGGER MENU.

Press the main-menu button Source; then press the side-menu

button CH 3. Press SET LEVEL TO 50%.

Use the vertical POSITION knob to center the display on screen.

Measure logic levels:

Press MEASURE; then press the main-menu button Select

Measrmnt for

Ch2

Repeatedly press the side-menu button –more– until High and

Low appear in the side menu (their icons are shown at the left).

Press both side-menu buttons High and Low. See Figure 1-22.

First, turn on the

measurements

high and low.

Second, read the

measurement

results here.

Figure 1-22: Measurement of Main Trigger Out Limits

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 113 114

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Tektronix TDS544A Manual de usuario Pagina 67