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Performance Tests
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
1–51
H Press the side-menu button Lower Limit.
H Use the general purpose knob to increase the Lower Limit readout
until triggering is lost.
H CHECK that the Lower Limit readout, after the oscilloscope loses
triggering, is within 3.5 ns to 6.5 ns, inclusive.
H Enter time on test record.
H Use the keypad to return the Lower Limit to 2 ns and reestablish
triggering.
H Press the side-menu button Upper Limit; then use the general
purpose knob to slowly decrease the Upper Limit readout until
triggering is lost.
H CHECK that the Upper Limit readout, after the oscilloscope loses
triggering, is within 3.5 ns to 6.5 ns, inclusive.
H Enter time on test record.
Set upper
and lower
limits that
ensure
triggering.
Then change
limits until
triggering
stops.
Figure 1–15: Measurement of time accuracy for pulse and glitch triggering
3. Confirm the trigger system is within time-accuracy limits for pulse-glitch or
pulse-width triggering (horizontal scale >1 ms):
a. Set upper and lower limits that ensure triggering at 250 kHz: