Broadband microwave device with switchable gain

Details Broadband microwave device with switchable gain Broadband microwave device with switchable gain

2011-03-22

2011-03-22

Mottola, Steven J (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S286000, C330S295000

Reexamination Certificate

active

07911270

ABSTRACT:
The invention relates to a broadband microwave device with switchable gain comprising a microwave signal input E and output S, a distributed amplifier with a plurality of amplifying cells comprising an input transmission line for an input signal applied to the microwave signal input E, said input transmission line having one of its two ends linked to the microwave signal input E, an output transmission line for said amplified input signal having an output end of the distributed amplifier, the cells of the distributed amplifier settable either to an amplifying state or to a blocked state. A switch switches the microwave signal output S either to a non-amplification position linked to the other end of the input transmission line, or to an amplification position linked to the output end of the distributed amplifier. A control unit supplies switch position control and amplifying cell status control signals.

REFERENCES:
patent: 4755769 (1988-07-01), Katz
patent: 6094099 (2000-07-01), Kobayashi
patent: 6900695 (2005-05-01), Ouacha
patent: 7782140 (2010-08-01), Shigematsu
patent: 2004/0056710 (2004-03-01), Pozdeev
patent: 1345322 (2003-09-01), None
patent: 2219702 (1989-12-01), None

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