Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1996-06-26
1997-09-09
Lee, Benny
Wave transmission lines and networks
Coupling networks
Electromechanical filter
333195, 310313D, H03H 964
Patent
active
056660928
ABSTRACT:
In order to effectively increase a degree of freedom in designing a bandpass filter which includes at least two SAW resonator filters coupled in parallel and which have different bandpass center frequencies, the two SAW resonator filters have different frequency responses with each other.
REFERENCES:
patent: 4178571 (1979-12-01), Mitchell
patent: 5296824 (1994-03-01), Cho et al.
Kajihara Ryuuji
Yamamoto Yasushi
Bettendorf Justin P.
Lee Benny
NEC Corporation
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