Tektronix TDS544A Manuel d'utilisateur télécharger pdf (Page 54)

Performance Tests

Performance Verification Procedures

These procedures check those characteristics that relate to the Main and

Delayed trigger systems and are listed as checked under

Warranted Charac-

teristics

in Section 2,

Specifications.

Check Accuracy (Time) for Pulse-Glitch or Pulse-Width

Triggering

Equipment Required:

One medium-frequency leveled sine wave generator

(Item 10), one 10X attenuator (Item 1), and one precision, 50 , coaxial cable

(Item 4).

Prerequisites:

See page 1-15.

Procedure:

Install the test hookup and preset the instrument controls:

Initialize the instrument:

Press save/recall SETUP.

Press the main-menu button Recall Factory Setup.

Press the side-menu button OK Confirm Factory Init.

Modify the default setup:

Press vertical MENU.

Press the main-menu button Coupling; then press the side-me-

nu button to select 50 coupling.

Set the horizontal SCALE to 10 ns.

Hook up the test-signal source:

Connect, through a 50 precision

coaxial cable, followed by a 10X attenuator, the output of a medium-

frequency leveled sine wave generator (Item 10) to CH 1. See Fig-

ure 1-14.

Medium

Frequency

Sine Wave

Generator

10X Attenuator

Output

50 Coaxial Cable

Figure 1-14: Initial Test Hookup

Trigger System

Checks

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Tektronix TDS544A Manuel d'utilisateur Page 54