Tektronix TDS544A Instrukcja Użytkownika Pobierz pdf (Strona 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.

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 113 114

Brak uwag

Tektronix TDS544A Instrukcja Użytkownika Strona 85