R.F. Phase shift control system

Details R.F. Phase shift control system R.F. Phase shift control system

1982-12-02

1985-08-06

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307511, 307516, 307529, 307262, 328109, 328133, 333109, H03H 1120

Patent

active

045338736

ABSTRACT:
A system for amplifying R.F. signals with a selectable substantially constant phase at the output port (OP) relative to the input port (IP) comprises a phase shifter (PS) and an amplifier (AMP), a phase discriminator (PD) and a video processor (VP) which controls the phase shifter (PS) in accordance with the output of the phase discriminator (PD) and a phase selection signal (SEL). This signal (SEL) selects a bias voltage to cause the phase shifter to introduce a phase shift such that the relative phase at the output port is approximately equal to a desired value and also to select a monotonically varying error function which is derived from the phase discriminator and which is representative of the difference between the desired value and the actual value of the relative phase.

REFERENCES:
patent: 4215314 (1980-07-01), Addor
patent: 4290022 (1981-09-01), Puckette
patent: 4341999 (1982-07-01), Rudish et al.
patent: 4346315 (1982-08-01), Roberts
patent: 4358741 (1982-11-01), Nardin
patent: 4395687 (1983-07-01), Belohoubek
patent: 4445099 (1984-04-01), Dixon
Mariasingam, "A Precision Digital Phase Generator", IEEE Trans. Instr. and Msrmnt. vol. IM-23, No. 1, Mar. 1974, pp. 18-22.

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