Monolithic microwave integrated circuit voltage controlled harmo

Details Monolithic microwave integrated circuit voltage controlled harmo Monolithic microwave integrated circuit voltage controlled harmo

1991-05-03

1992-10-20

Grimm, Siegfried H.

Oscillators

Single oscillator with plural output circuits

331 75, 331107A, 331117FE, 331117D, 331177R, H03B 512, H03B 518

Patent

active

051573563

ABSTRACT:
A microwave voltage controlled oscillator (12) and isolation amplifiers (14, 16) are formed as a monolithic circuit on a single GaAs substrate. Only a single external inductor (34) is required to set the oscillation frequency. Optionally, an external resonator (38) may be used instead of an inductor. Off-chip active bias control (LIMin, 18) is provided for convenient frequency tuning.

REFERENCES:
patent: 3963996 (1976-06-01), Skerlos
patent: 4688005 (1987-08-01), Kipnis
patent: 4760352 (1988-07-01), Ash
patent: 4849717 (1989-07-01), Fitzpatrick et al.

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