Digital oscilloscope with reduced jitter due to sample uncertain

Details Digital oscilloscope with reduced jitter due to sample uncertain Digital oscilloscope with reduced jitter due to sample uncertain

1979-09-04

1981-02-17

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315367, H01J 2956

Patent

active

042517540

ABSTRACT:
Jitter due to sample uncertainty in a digital oscilloscope is reduced by horizontally shifting each frame of a repetitive waveform display to provide an apparent time coincidence of each frame. The time interval between a fixed point on the successive waveforms and the next succeeding clock edge is measured, and a correction voltage is produced to offset the sweep voltage by the corrected amount.

REFERENCES:
patent: 4107739 (1978-08-01), Rossi et al.

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