Diplexer

Details Diplexer Diplexer

2005-02-17

2009-02-24

Pan, Yuwen (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Transceiver controlling a separate transceiver or receiver

C455S552100, C455S553100

Reexamination Certificate

active

07496332

ABSTRACT:
A diplexer contains a common terminal connected to an antenna, a first input/output terminal for inputting/outputting signals of a plurality of high frequency bands higher than a predetermined frequency, and a second input/output terminal for inputting/outputting signals of low frequency bands lower than the predetermined frequency. Between the common terminal and the first input/output terminal, a high pass filter and low trap circuits for attenuating the low frequency bands respectively are interposed in series, and, between the common terminal and the second input/output terminal, a low pass filter and high trap circuits for attenuating the high frequency bands respectively are interposed in series.

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Design of Diplexers with Maximally Flat Response and Frequency Symmetry, Dr. Koyza et al., Electrotechnical Conference, 1994. Proceedings., 7thMediterranean Antalya, Turkey Apr. 12-14, 1994, New York, NY, USA, IEEE, Apr. 12, 1994, pp. 512-515.

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