Demultiplexer and communication device

Details Demultiplexer and communication device Demultiplexer and communication device

2006-12-12

2006-12-12

Trinh, Sonny (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S333000, C455S193100

Reexamination Certificate

active

07149494

ABSTRACT:
A demultiplexer includes an antenna terminal, a reception filter connected to the antenna terminal, a transmission filter connected in parallel to the reception filter with respect to the antenna terminal and having a pass band center frequency that is different from the reception filter, a common inductance component connected between the ground terminal of the transmission filter and the ground terminal of the reception filter, and inductance components, which are different from the common inductance component, provided between the common inductance component and the reception filter and between the common inductance component and the transmission filter.

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Offical communication issued in the corresponding Korean Patent Application No. 10-2004-0076958, mailed on Jun. 28, 2006.

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