Accession Number : ADD004742

Title :   Parallel/Time-Shared Variable Time Delay Generator with Common Timing Control and Fast Recovery.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Reeves,Charlie F

Report Date : 27 Sep 1977

Pagination or Media Count : 10

Abstract : This patent describes a video-blanker system for supplying blanking pulses to receivers including a main delay one-shot for responding to a pretrigger pulse and establishing a time delay in response thereto by providing an output pulse of a predetermined width and an auxiliary delay one-shot having its input AND coupled to the pretrigger pulse and to the output of the main delay one-shot for responding to pretrigger pulses occurring during the timing cycle of the main delay one-shot. The outputs of the main and auxiliary delay one-shots are trailing edge discriminated and OR coupled to initiate a pulse width one-shot which supplies the required blanking pulse. The main and auxiliary delay one-shots include means for reducing the recovery times thereof, without affecting the quasistable periods.

Descriptors :   *Patents, *Blanking(Electronics), *Delay circuits, Multivibrators, Recovery, Radar receivers, Pulse generators

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE