Varactor tuning apparatus for a strip transmission line device

Oscillators – With distributed parameter resonator – Parallel wire type

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Details

330 5, 330 34, 330 53, 331107R, 331107G, 331177V, 333 82R, 333 84M, 334 45, H03B 714, H03F 304, H01P 700, H03H 512

Patent

active

039965295

ABSTRACT:
A varactor tuning apparatus for tuning a strip transmission line radio frequency device, wherein the device having predetermined operating characteristics includes an active element such as an avalanche diode and a resonant conductive strip section. The tuning apparatus comprises a separate varactor circuit having a varactor mounted on a dielectric substrate including a resonant conductive strip. The varactor circuit is RF coupled to the strip transmission line of the device to provide for tuning the device by varying the reactance of the strip transmission line by electrically changing the capacitance of the varactor.

REFERENCES:
patent: 3512105 (1970-05-01), Lance, Jr.; et al.
patent: 3599118 (1971-08-01), Large
patent: 3868594 (1975-02-01), Cornwell et al.

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