Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-02-06
1993-05-18
Sikes, William L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
3073171, 333262, H03K 1774
Patent
active
052124088
ABSTRACT:
An electronic switch for selectably switching a high frequency signal between an input and an output. The switch comprises a switching element comprising at least two PIN diodes connected in series-opposed configuration between said input and said output. The switching element has a low impedance when the diodes are forward biased and a substantially higher impedance when the diodes are reverse biased. A bias circuit is connected to the diodes for selectably applying a forward bias current to the diodes for forward-biasing said diodes and a reverse bias voltage to the diodes for reverse-biasing said diodes. A bias current return circuit provides a high-speed return path for the forward bias current from the diodes to a return when said diodes are forward biased. A switch associated with the bias circuit and a resistive load are provided for applying the forward bias current to the load when the reverse bias voltage is applied to the diodes.
REFERENCES:
patent: 3600608 (1971-08-01), Gilbert
patent: 3617771 (1971-11-01), Lee
patent: 4249150 (1981-02-01), Bickley et al.
patent: 4510472 (1985-04-01), Bickley et al.
patent: 4673831 (1987-06-01), Reppen
patent: 4712020 (1987-12-01), Basile
patent: 4883984 (1989-11-01), Kess
patent: 5087833 (1992-02-01), Sugai
patent: 5115215 (1992-05-01), Koontz
"Broadbanding the Shunt PIN-diode SPDT Switch", by Waugh, Microwave J (USA) vol. 18, No. 2 p. 59, Feb. '75.
AEL Defense Corp.
Sikes William L.
Tran Toan
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