Switch and switching device with selective isolation for...

Details Switch and switching device with selective isolation for... Switch and switching device with selective isolation for...

2007-06-04

2010-12-14

Maung, Nay A (Department: 2618)

Telecommunications

Transmitter

Diversity

C343S876000, C455S013300, C455S063300

Reexamination Certificate

active

07853222

ABSTRACT:
The invention relates to a switch with selective isolation and also to a switching device with selective isolation for multimedia terminals. The switch formed by 2 transistors (T1, T2) is feedback controlled by a feedback control signal V tune at a pre-defined frequency thus guaranteeing the selective isolation at this frequency. The switching device for switching the transmission/receiver channels of a multimedia terminal is formed by selective isolation switches that can be integrated using MMIC technology.

REFERENCES:
patent: 5969560 (1999-10-01), Kohama et al.
patent: 6023615 (2000-02-01), Bruckert et al.
patent: 6961545 (2005-11-01), Tehrani et al.
patent: 2007/0072561 (2007-03-01), Weber et al.
patent: 0 625 831 (1994-11-01), None
patent: 0 720 292 (1996-03-01), None
patent: 0 978 949 (2000-02-01), None

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