Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1993-11-19
1996-06-04
Lee, Benny
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
333185, H03H 707, H03H 709
Patent
active
055237290
ABSTRACT:
A multilayer band pass filter includes a zero point forming capacitor formed by a plurality of capacitors connected in series between first and second extension electrodes, and intermediate capacitors connected between each pair of adjacent series capacitors and the open end of a core conductor. Therefore, zero points can be formed at the lower and upper limits of a given band. The capacity of these capacitors is adjustable via extension electrodes which extend outside the baked ceramic casing, thereby allowing adjustment to be made to the zero point.
REFERENCES:
patent: 5140497 (1992-08-01), Kato et al.
Nakai Shinya
Ninomiya Hideaki
Shimoda Hideaki
Bettendorf Justin P.
Lee Benny
TDK Corporation
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