Oscilloscope having dual time base system for accurate different

Details Oscilloscope having dual time base system for accurate different Oscilloscope having dual time base system for accurate different

1982-11-01

1985-11-05

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

G01R 1328

Patent

active

045516561

ABSTRACT:
An oscilloscope is provided with a dual time base system in which the nonlinear startup segment of the main sweep is eliminated before delay time comparison, thereby facilitating accurate differential measurements down to and including the triggering event (zero time). System delays are built in to ensure that the displayed sweep trace also begins at the left edge of the viewing screen, and, moreover, the triggering event may be viewed on both the main and delayed sweeps. The built-in system delays may be programmable to facilitate delay matching of vertical channels or time matching of independent sweep operation.

REFERENCES:
patent: 3975684 (1976-08-01), Mordan
patent: 4109182 (1978-08-01), Dalton

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