Phase delay simulator

Details Phase delay simulator Phase delay simulator

1976-12-13

1978-05-30

Heyman, John S.

328 55, 328110, 328134, 328155, H03K 515, H03K 518

Patent

active

040926052

ABSTRACT:
A circuit for simulating environmental dependent phase shifts in a pulse train includes circuitry for generating a reference pulse train and two cascade connected phase modulators for producing a phase shifted pulse train wherein the phase relationship between corresponding pulses of the phase shifted pulse train and the reference pulse train varies in accordance with a predetermined variable phase shift. Circuitry is further included for selectively applying the phase shifted pulse train to utilization equipment when pulses of the phase shifted pulse trains have a first predetermined phase relationship to pulses of the reference pulse train and for selectively applying pulses of the reference pulse train to the utilization equipment when pulses of the phase shifted pulse train have a second predetermined phase relationship to pulses of the reference train.
Cumulative phase shifts of greater than 360.degree. may be obtained. SU

REFERENCES:
patent: 3112450 (1963-11-01), Krause
patent: 3456082 (1969-07-01), Brown
patent: 3548321 (1970-12-01), Duquesne
patent: 3982190 (1976-09-01), Schaefer
patent: 4013969 (1977-03-01), Dennison

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