Broadband frequency divider

Details Broadband frequency divider Broadband frequency divider

H - Electricity

03

D

328/19

H03D 7/00 (2006.01) H03B 19/18 (2006.01) H03B 19/05 (2006.01)

Patent

CA 1121006

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.

340023

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