Automatic peak-to-peak amplitude measurement system

Details Automatic peak-to-peak amplitude measurement system Automatic peak-to-peak amplitude measurement system

1987-01-29

1988-10-18

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Demand, excess, maximum or minimum

324121R, 364487, G01R 1900, G01R 1320, G01R 2316

Patent

active

047790458

ABSTRACT:
A method of measuring automatically the peak-to-peak amplitude of electrical input signal utilizes both trigger circuits of a dual trigger oscilloscope. The steps of the method include adjusting automatically the trigger level of the first trigger circuit until the first trigger level is equal to the maximum peak of the input signal while adjusting automatically the trigger level of the second trigger circuit until that level is equal to the minimum peak of the signal. The second level is then subtracted from the first level to calculate the amplitude. To minimize the time involved, the method distinguishes between signals faster than and slower than a preselected frequency and calculates more rapidly the amplitude for faster signals. Time is also minimized by adjusting hysteresis levels and voltage level settling times as the trigger levels are increased and decreased in search of the peak signal values.

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