Front end module for wireless network system

Details Front end module for wireless network system Front end module for wireless network system

2006-08-15

2006-08-15

Anderson, Matthew D. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

C455S339000, C455S114300, C455S341000, C455S073000, C375S222000, C375S223000

Reexamination Certificate

active

07092678

ABSTRACT:
A front end module for wireless network system is disclosed. The front end module includes a transmitting/receiving switch, a bandpass filter, a balun, a lowpass filter, and a power amplifier. The front end module is characterized in that the bandpass filter, the balun and the lowpass filter are formed inside a plurality of low-temperature-cofired-ceramic (LTCC) substrates by a patterning process while the transmitting/receiving switch, and the power amplifier are formed on a surface layer of the LTCC substrates by the surface mounting technology (SMT).

REFERENCES:
patent: 5787117 (1998-07-01), Ash
patent: 6366622 (2002-04-01), Brown et al.
patent: 6477148 (2002-11-01), Gardenfors et al.
patent: 2003/0078011 (2003-04-01), Cheng et al.

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