Temperature stabilizing microwave oscillator circuit

Details Temperature stabilizing microwave oscillator circuit Temperature stabilizing microwave oscillator circuit

1984-05-25

1986-07-08

LaRoche, Eugene R.

Oscillators

With device responsive to external physical condition

Temperature or light responsive

331117FE, 331176, H03B 504, H03L 102

Patent

active

045995818

ABSTRACT:
A temperature stabilizing circuit for a microwave oscillator employing a field effect transistor on an AsGa substrate, in which a temperature-stabilized frequency is obtained by varying the gate-channel capacitance of an FET included in the oscillator resonance circuit. The capacitance is controlled by a voltage derived from a voltage divider comprising a series arrangement of several Schottky diodes or FET's. The circuit is suited to assembly as an integrated monolithic circuit comprising FETs on a AsGa substrate, for micro wave frequency applications such as for example, processing 12 GHz satellite television signals.

REFERENCES:
patent: 3697890 (1972-10-01), Healey, III et al.
patent: 4015219 (1977-03-01), Kawagoe et al.
patent: 4187476 (1980-02-01), Shinkawa et al.
patent: 4369417 (1983-01-01), Kupfer

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