Method of tuning a tunable microelectronic LC circuit

Details Method of tuning a tunable microelectronic LC circuit Method of tuning a tunable microelectronic LC circuit

1974-08-07

1976-04-06

Smith, Alfred E.

Metal working

Electric condenser making

Solid dielectric type

29593, 29602R, 317101A, 333 70S, 336200, H01F 2100, H03H 300

Patent

active

039479340

ABSTRACT:
A microelectronic LC circuit capable of being tuned to a desired center resonant frequency, comprising a trimmable capacitor, a principal fixed inductor and a printed trimmable inductor having an inductance which is small compared to that of the principal inductor. The printed inductor is one which is capable of having its inductance raised by trimming. In some cases, the fixed inductor can be omitted.

REFERENCES:
patent: 1580057 (1926-04-01), Lewis
patent: 2474988 (1949-07-01), Sargrove
patent: 2568169 (1951-09-01), Raczynski
patent: 2718623 (1955-09-01), Yoder et al.
patent: 3471812 (1969-10-01), Lackner
patent: 3508457 (1970-04-01), Ogston
patent: 3512254 (1970-05-01), Jenkins et al.
patent: 3547604 (1970-12-01), Davis, Jr. et al.
patent: 3622878 (1971-11-01), Feulner
patent: 3665570 (1972-05-01), Brooks

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