TAS 200 Series Performance Verification
Handheld and Benchtop Instruments Basic Service
17
TRIGGER COUPLING DC
TRIGGER SET TO 50% Out (release)
3. Set the leveled sine wave generator to produce a five-division output at the
low-frequency trigger level listed for your instrument. See Table 17.
Table 17: DC Coupled Triggering Sensitivity
Minimum Trigger
Waveform Amplitude
TAS 220 TAS 250
Low Frequency Trigger 0.5 divisions 5 MHz 10 MHz
High Frequency Trigger 1.5 divisions 20 MHz 50 MHz
4. Reduce the leveled sine wave generator output until the minimum trigger
waveform amplitude is equal to the value listed in Table 17. If necessary,
adjust the oscilloscope TRIGGER LEVEL to maintain a stable waveform
during the operation.
5. Set the leveled sine wave generator for a four division output at the high
frequency trigger level listed in Table 17.
6. Reduce the leveled sine wave generator output until the minimum trigger
waveform amplitude is equal to the value listed in Table 17. If necessary,
adjust the oscilloscope TRIGGER LEVEL to maintain a stable waveform
during the operation.
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