Tektronix TDS544A Uživatelský manuál stáhnout pdf (Strana 85)

Performance Tests

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

c. Check Sync Duty Cycle

Connect the pulse generator (PG502) through a 50 cable and a

50 terminator to the oscilloscope CH1 input (See Figure 1-39).

50 Cable

Pulse

Generator

PG502

Terminator

Figure 1-39: PG502 Setup for Sync Duty Cycle Test

Turn the pulse generator OUTPUT (VOLTS) control until the

signal on the oscilloscope shows a one division negative going

pulse (See Figure 1-40).

NOTE

You may need to adjust the trigger level control to obtain a stable

trigger.

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Tektronix TDS544A Uživatelský manuál Strana 85