SPST switch, SPDT switch and MPMT switch

Details SPST switch, SPDT switch and MPMT switch SPST switch, SPDT switch and MPMT switch

2004-03-24

2009-12-15

Takaoka, Dean O (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S262000

Reexamination Certificate

active

07633357

ABSTRACT:
A single pole single throw switch for controlling propagation of a high frequency signal between an input terminal (11a) and an output terminal (11b). First FET switches (14a,14b) in which drains and sources of FETs (12a,12b) are connected in parallel with inductors (13a,13b) are connected in parallel. Each FET (12a,12b) is switched between on state and off state by a voltage being applied to the gate thereof. At the frequency of the high frequency signal, each inductor (13a,13b) connected with off capacitor of each FET (12a,12b) resonates in parallel.

REFERENCES:
patent: 4789846 (1988-12-01), Matsunaga et al.
patent: 5485130 (1996-01-01), Nakahara et al.
patent: 6137377 (2000-10-01), Wallace et al.
patent: 6674341 (2004-01-01), Hieda et al.
patent: 5-55803 (1993-03-01), None
patent: 5-299995 (1993-11-01), None
patent: 8-213472 (1996-08-01), None
Matsunaga et al., IEICE Trans. Electron., vol. E75-C, No. 2, Feb. 1992.
Tokumitsu et al., IEEE 1993 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest 93.1.
Götzfried et al., IEEE MTT-S Digest, 1996.

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