Broadband frequency divider

Details Broadband frequency divider Broadband frequency divider

1980-09-23

1982-06-08

Gensler, Paul L.

Wave transmission lines and networks

Frequency multipliers

333246, H01P 120

Patent

active

043342027

ABSTRACT:
A microwave frequency divider operable in 8-16 GHZ range. A circuit resonant at a subharmonic frequency is formed by a pair of input microstrip transmission lines coupled to a pair of output microstrip transmission lines. Each input line is terminated by a varactor diode. The input signal is supplied to the resonant circuit by a pair of microstrip lines functioning as a two stage quarter wave transformer. A metal plate positioned over the resonant circuit and closely spaced from it functions to extend the upper end of the frequency range. A bias supply line for the diodes has a portion passing through a resistive foam block to remove spurious signals. A movable stub is positioned along the bias supply line to extend the lower end of the frequency range.

REFERENCES:
patent: 2964718 (1960-12-01), Packard
patent: 3311811 (1967-03-01), Rupp
patent: 3381208 (1968-04-01), Miyahira
patent: 3512110 (1970-05-01), Clar
patent: 4152680 (1979-05-01), Harrison

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