Filter with a switch having capacitance

Details Filter with a switch having capacitance Filter with a switch having capacitance

1998-10-08

2000-08-29

Bettendorf, Justin P.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333104, 333134, 333185, H03H 701

Patent

active

061114782

ABSTRACT:
A filter 10 (30) includes a laminate body 11 (31), PIN diodes PD1 and PD2 of switching elements and choke coils CC1-CC2 are mounted on a top surface or a principal face of the laminate body 11, and six external electrodes Ta-Tf extend on a side surface from the top surface to the bottom surface of the laminate body 11 (31). Three external electrodes Ta-Tc among the external electrodes Ta-Tf are formed on one side surface of the laminate body 11 (31), and three other external electrodes Td-Tf are formed on the opposing side surface of the laminate body laminate body 11 (31). The external electrode Ta is an input terminal, the external electrodes Tb and Te are control terminals for controlling a voltage supplied to the PIN diode PD, the external electrode Tc is an output terminal, and the external electrodes Td and Tf are ground terminals.

REFERENCES:
patent: 5473293 (1995-12-01), Chigodo et al.
patent: 5783976 (1998-07-01), Furutani et al.
patent: 5926075 (1999-07-01), Hayashi

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