Phase/digital conversion method and arrangements for implementin

Details Phase/digital conversion method and arrangements for implementin Phase/digital conversion method and arrangements for implementin

1989-03-31

1991-04-16

Pellinen, A. D.

Coded data generation or conversion

Phase or time of phase change

Synchro or resolver signal

341111, H03M 148

Patent

active

050086707

ABSTRACT:
A new method is presented which converts the phases and frequencies of HF and microwave signals into sequences of digital words. This phase quantization is 10 times faster compared to conventional amplitude quantization by means of extremely fast A/D converters. In this method, n parallel shifted signal phases are initially derived from the HF signals by means of a signal phase generator, and in a bank of comparators these signal phases are then converted into rectangular oscillations (sequences). A subsequent digital sampling of these sequences then furnishes the phases of the HF signals as digital values at the output of the circuit.

REFERENCES:
patent: 4613976 (1986-09-01), Sewerinson et al.
patent: 4726039 (1988-02-01), Piesinger
patent: 4730344 (1988-03-01), Saha
patent: 4760354 (1988-07-01), Kianush
patent: 4812786 (1989-03-01), Davarian et al.
G. Webber, et al., "DRFM Requirements Demand Innovative Technology", Microwave Journal, Feb. 1986, pp. 91-104.

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