Transceiver apparatus

Details Transceiver apparatus Transceiver apparatus

2005-12-27

2005-12-27

Corsaro, Nick (Department: 2682)

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

C455S078000, C455S079000, C455S080000, C455S081000, C455S082000, C455S083000, C455S084000, C455S085000, C455S086000, C455S087000, C455S120000, C455S121000, C455S122000, C455S123000, C455S124000, C455S125000, C333S100000, C333S101000, C333S103000

Reexamination Certificate

active

06980776

ABSTRACT:
The present invention provides a transceiver apparatus that permits miniaturization even when the antenna thereof is an unbalanced circuit and the transmitter circuit section and receiver circuit section thereof are balanced circuits.The transceiver apparatus is constituted comprising: a semiconductor integrated circuit device that mounts on the same semiconductor chip a balanced receiver circuit41for receiving a received signal as a differential input and balanced transmitter circuit52for outputting a transmitted signal as a differential output, and that has at least two terminals71,72connected to connecting nodes that connect the balanced receiver circuit41and the balanced transmitter circuit52; first and second capacitors C2,C3connected to the terminals71, 72respectively; an external inductor L1connected to the first and second capacitors C2, C3; a band pass filter2and an antenna1coupled to the first capacitor C2; and a third capacitor C1connected to the second capacitor C3.

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patent: 2004/0192230 (2004-09-01), Franca-Neto

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