Proximity fuze transceiver

Communications: directive radio wave systems and devices (e.g. – With particular circuit – For frequency modulation

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Details

342 68, 331117R, G01S 1326, H03B 706

Patent

active

052669572

ABSTRACT:
A voltage controlled oscillator is disclosed in a "ring" configuration using two BJTs. The design uses an active feedback topology which eliminates the need for a tank circuit for oscillation to occur. The design also provides for the mixing function to be performed by one of the BJTs.

REFERENCES:
patent: 3323513 (1967-06-01), Gnadke
patent: 4189688 (1980-02-01), Sechi et al.
patent: 4216443 (1980-08-01), Zaderej
patent: 4621239 (1986-11-01), Tserng
patent: 4873497 (1989-10-01), Kielmeyer, Jr.
patent: 4931790 (1990-06-01), Wen et al.
Robert Lynn Cravens, "Development of a Broadband Microwave Oscillator" thesis, Univeristy of Wisconsin, Madison, 1990.
English Abstract of EP 118,342 from Derwents World Patent Computer Database.
English Abstract of EP 318,382 from Derwents World Patent Computer Database.

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