Multilayer duplexer with no shielding electrodes

Details Multilayer duplexer with no shielding electrodes Multilayer duplexer with no shielding electrodes

1997-08-21

2000-08-01

Bettendorf, Justin P.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333134, 333185, H01P 1213

Patent

active

060972688

ABSTRACT:
A high-frequency component which requires no shielding electrodes and in which there are no limitations upon the places where plural sets of filter components can be formed. In one embodiment, a high-frequency component has first to third ports, and includes a BPF connected between the first port and the second port and a BRF connected between the first port and the third port. The BPF and BRF comprise transmission lines and capacitors formed on a plurality of laminated dielectric layers. In another embodiment, the component comprises an HPF and an LPF formed on a plurality of dielectric layers. In both cases, the passbands of the respective filters are predetermined not to substantially overlap one another.

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