US 6,983,129 B2 | ||
Radio frequency switch and wireless communication apparatus using the same | ||
Yuki Satoh, Osaka (Japan); and Tsutomu Sakai, Gifu (Japan) | ||
Assigned to Matsushita Electric Industrial Co., Ltd., Osaka (Japan) | ||
Filed on Aug. 02, 2001, as Appl. No. 9/920,330. | ||
Claims priority of application No. 2000-237029 (JP), filed on Aug. 04, 2000. | ||
Prior Publication US 2002/0025785 A1, Feb. 28, 2002 | ||
Int. Cl. H01P 1/10 (2006.01); H04B 1/44 (2006.01) |
U.S. Cl. 455—82 | 9 Claims |
1. A radio frequency switch comprising:
a first diode connected between a transmission terminal and an antenna terminal;
a low pass filter connected between said first diode and said antenna terminal, said low pass filter and said first diode
being disposed in series;
a high pass filter connected between said low pass filter side of said first diode and a reception terminal; and
a second diode having one end grounded and other end connected between said reception terminal and said high pass filter.
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