Electronic apparatus and design method

Telecommunications – Transmitter – Noise or interference elimination

Reexamination Certificate

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C455S127100, C375S297000

Reexamination Certificate

active

07050769

ABSTRACT:
The invention realizes a wireless communication module that is capable of transmitting the fundamental wave with low loss and reducing the double higher harmonic wave level to a desired level or lower as the whole module. The invention provides a front end module to be used for a wireless communication system such as cellular phone in which at least an output power amplifier, a matching circuit, and a low-pass filter are mounted on one insulating substrate and these circuits are connected in the above-mentioned order, wherein the relative phase of the double higher harmonic wave impedance between phases in view of the matching circuit side and the low-pass filter side from the connection point between the matching circuit and the low-pass filter is set in a range of 180 degrees ±90 degrees.

REFERENCES:
patent: 4656364 (1987-04-01), Yokogawa et al.
patent: 6023611 (2000-02-01), Bolin et al.
patent: 6466770 (2002-10-01), Griffith et al.
patent: 6608527 (2003-08-01), Moloudi et al.
patent: 6625470 (2003-09-01), Fourtet et al.
patent: 6628176 (2003-09-01), Okada
patent: 6738601 (2004-05-01), Rofougaran et al.
patent: 6778020 (2004-08-01), Ohta et al.
patent: 6867662 (2005-03-01), Uriu et al.
patent: 2004/0114399 (2004-06-01), Lincoln et al.
patent: 409246889 (1997-09-01), None
patent: 11-234062 (1999-08-01), None

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