Dielectric duplexer
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United States of America Patent
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Mar 15, 2005
Grant Date -
Dec 18, 2003
app pub date -
Jun 10, 2003
filing date -
Jun 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a dielectric duplexer 10 comprising a receiving filter 1 and a transmitting filter 2 which are connected in parallel with an antenna connecting terminal portion 17, and both the filters 1, 2 are integrally assembled into a common dielectric block 11. A trap circuit 8 for suppressing a predetermined frequency band different from the receiving band of the receiving filter 1 and from the transmission band of the transmitting filter 2 is integrally assembled into the dielectric block 11 along with the filters 1, 2, and is connected to the antenna connecting terminal portion 17.
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