UHF mixing circuit having .pi. configured impedance converter

Details UHF mixing circuit having .pi. configured impedance converter UHF mixing circuit having .pi. configured impedance converter

1983-08-11

1987-01-13

LaRoche, Eugene R.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455338, 333 32, H03H 1128

Patent

active

046370706

ABSTRACT:
In a UHF tuner having a diode mixer and a double-tuned circuit; a UHF tuner of good tuning characteristics comprising the fact that a .pi.-type impedance converter portion consisting of capacitors is disposed in a coupling part between the diode mixer and the double-tuned circuit.

REFERENCES:
patent: 2921189 (1960-01-01), Nash
patent: 2978578 (1961-04-01), Waring
patent: 3571722 (1971-03-01), Vendelin
patent: 3886458 (1975-05-01), Matsumoto et al.

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