Circuit arrangement comprising MESFET switched spiral inductor

Details Circuit arrangement comprising MESFET switched spiral inductor Circuit arrangement comprising MESFET switched spiral inductor

1988-12-06

1991-06-04

Lee, Benny T.

Wave transmission lines and networks

Long line elements and components

333262, 334 56, 357 51, H03H 1100

Patent

active

050217585

ABSTRACT:
A circuit arrangement which includes a switched inductor comprises a spiral inductor and a MESFET coupled in parallel for switching the spiral inductor in and out of a circuit. The MESFET has at least two gates, at least one of which and at least one section of at least one turn of the spiral inductor, are all mounted adjacent to one another on an active mesa. The switched inductor thus enables parasitic capacitances to be reduced and saves space on the mesa.

REFERENCES:
patent: 4471330 (1984-09-01), Naster et al.
patent: 4853658 (1989-08-01), Lane
Naster, R. J., et al., "Affordable MMIC Designs for Phased Arrays", Microwave Journal; Mar. 1987; pp. 141-147; Copy in 333/164.
Selin, John R.; "Continuous Variable L-Band Monolithic GaAs Phase Shifter", Microwave Journal; Sep. 1987; pp. 211-218; copy in 333/164.

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