Instantaneous frequency measurement receiver with digital proces

Details Instantaneous frequency measurement receiver with digital proces Instantaneous frequency measurement receiver with digital proces

1985-05-30

1986-12-30

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

324 78D, 364484, 342192, H04B 1700

Patent

active

046335161

ABSTRACT:
The receiver comprises a 90.degree. hybrid and analog-to-digital converters etween the RF section and digital processing; which makes it possible to eliminate a phase correlator, four diode detectors and two differential amplifiers used in previous IFM receivers to obtain the sine and cosine signal samples at an initial time and at a delayed time.

REFERENCES:
patent: 3181156 (1965-04-01), Ward
patent: 3431405 (1969-03-01), Dawson
patent: 3602812 (1971-08-01), Paradise
patent: 3939411 (1976-02-01), James
patent: 4021804 (1977-05-01), Dounce et al.
patent: 4268279 (1981-05-01), Hines
patent: 4336541 (1982-06-01), Tsui et al.
patent: 4364048 (1982-12-01), Waters et al.
patent: 4426648 (1984-01-01), Tsui et al.
patent: 4547727 (1985-10-01), Tsui et al.

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