Owon SDS series, Руководство по обслуживанию

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Section 3: Test and Calibration
16
smoothing.
C. Repeat step B and test for CH2.
3.3.15 Peak value –testing inspection
A. As shown by Figure 4 connected.
B. The generator will be set to output 600mV/15nS of the impulse wave and the sampling mode
set as peak detection, voltage division at 200mV.Then try the different time base division and
observe the impulse wave on the screen.
C. Repeat step B and test the CH2.
3.3.16 Triggering test
A. As shown by Figure 4 connected.
B. Triggering sensitivity test: Turn the voltage division at 200mV and adjust the output frequency
of the signal generator as technical requirement until the oscilloscope could locate the waveform
stable with stepping up the output amplitude, therefore the voltage amplitude is the triggering
sensitivity.
C. Test for the range of triggering level: Adjust the output amplitude of the signal generator as
technical requirement and the triggering level position and record the range of triggering position
that could locate the waveform. The range is the range of triggering level.
D. Coupling mode test: The coupling mode will be setup as DC, AC, HF reject, LF reject, and
adjust the output amplitude of the signal generator and then observe whether the oscilloscope can
trigger.