Radio frequency tuner

Details Radio frequency tuner Radio frequency tuner

H - Electricity

03

J

365/30

H03J 3/10 (2006.01) F16H 35/18 (2006.01) H03H 5/02 (2006.01) H03J 1/14 (2006.01)

Patent

CA 1055173

RADIO FREQUENCY TUNER Abstract of the Disclosure A radio frequency tuner for ultra-high frequency ranges provided with an improved fine tuning device in which a conductor plate member is movably disposed in the vicinity of a resonant line having one end connected to a variable capacity element for tuning and its other end connected to earth directly or through a capacitor, so that the characteristic impedance of a distributed constant line is varied by driving the conductor plate member towards or away from the resonant line for fine adjustments of the tuned frequency.

239795

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