High-frequency switch circuit

Details High-frequency switch circuit High-frequency switch circuit

2006-10-31

2006-10-31

Anderson, Matthew D. (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S078000, C455S080000, C455S550100, C455S553100, C333S103000, C333S104000

Reexamination Certificate

active

07130655

ABSTRACT:
A high-frequency switch circuit is provided for switching a connection between a common transmission circuit and an antenna side circuit in a plurality of transmitting and receiving systems. The high-frequency switch includes a connection between the antenna side circuit and a reception circuit in one of the plurality of transmitting and receiving systems, and a connection between the antenna side circuit and a reception circuit in the other of the plurality of transmitting and receiving systems, the high-frequency switch circuit comprising a first diode, a second diode, and a distributed constant line, wherein a third diode is connected to the first and second diodes through the distributed constant line.

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