Transceiver device and impedance matching method

Details Transceiver device and impedance matching method Transceiver device and impedance matching method

2008-09-09

2011-12-20

Nguyen, Tuan H (Department: 2618)

Telecommunications

Transmitter and receiver at same station

C455S080000, C455S522000, C455S550100, C333S017300, C333S032000

Reexamination Certificate

active

08081931

ABSTRACT:
A transceiver device and an impedance matching method are provided. In the impedance matching method, a plurality of matching modes is set. Each matching mode includes a default impedance and a corresponding default power. In addition, one of the matching modes is selected for outputting a transmission signal to a load. Besides, a response signal derived from the transmission signal is received. Further, whether the default impedance is matched with an impedance of the load or not is determined according to a parameter of the response signal. Thereby, the echo signal can be restrained from being generated.

REFERENCES:
patent: 6331785 (2001-12-01), Swanson et al.
patent: 2007/0222697 (2007-09-01), Caimi et al.

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