Absorptive microwave single pole single throw switch

Details Absorptive microwave single pole single throw switch Absorptive microwave single pole single throw switch

2006-01-17

2006-01-17

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S252000

Reexamination Certificate

active

06987419

ABSTRACT:
A switch circuit including a first differential amplifier pair providing a portion of an isolation channel, a second differential amplifier pair providing a portion of a transmit channel, and a third differential amplifier pair providing a control bias for selecting either the transmit channel or the isolation channel. The switch circuit provides 35 dB isolation between input and output over a 15 GHz-26 GHz range, yet is only 500 μm by 250 μm in size.

REFERENCES:
patent: 6073002 (2000-06-01), Peterson
patent: 6157257 (2000-12-01), Murphy
patent: 6393260 (2002-05-01), Murtojarvi et al.
patent: 6518842 (2003-02-01), Carter et al.
patent: 2002/0125924 (2002-09-01), Kurogouchi et al.
patent: 2003/0001677 (2003-01-01), Taniguchi et al.
patent: 58-181310 (1983-10-01), None

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