Doppler radar transceiver

Details Doppler radar transceiver Doppler radar transceiver

1985-12-04

1987-06-09

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

By motion detection

331 58, 455 85, G01S 1350

Patent

active

046723790

ABSTRACT:
A doppler radar transceiver comprising a transceiving module including a reflex circuit having a single transistor which simultaneously acts as both an oscillator and an amplifier. A capacitor and a resistor are provided in the transistor base element bias circuit to reduce the source impedance of the base bias current to said transistor in the doppler signal frequency band without effecting the radar frequency system of the transceiver.

REFERENCES:
patent: 2760000 (1956-08-01), Beukema et al.
patent: 3038068 (1962-06-01), MacDowell et al.
patent: 3136951 (1964-06-01), Taylor, Jr.
patent: 3193777 (1965-07-01), Carter et al.
patent: 3855550 (1974-12-01), Carlson
patent: 4042934 (1977-08-01), Davis
patent: 4157549 (1979-06-01), Davis
patent: 4259743 (1981-03-01), Kaneko et al.
G. Hodowanec, "High-Power Transistor M/W OSC.S", (MW Journal, 10/72i pp. 47-66).
G. Hodowanec, "MW Transistor Oscillators", (MW Journal, 6/74; pp. 39-62.
Webster's New Collegiate Dictionary, p. 1099, (1984).

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