Switchable bandpass filter having stepped-impedance...

Details Switchable bandpass filter having stepped-impedance... Switchable bandpass filter having stepped-impedance...

2008-07-18

2011-10-25

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S235000

Reexamination Certificate

active

08044751

ABSTRACT:
A switchable bandpass filter includes a first stepped-impedance resonator, a second stepped-impedance resonator wirelessly coupled to the first stepped-impedance resonator, and a first diode connected to one end of the second stepped-impedance resonator.

REFERENCES:
patent: 7117025 (2006-10-01), Shih et al.
patent: 2007/0200651 (2007-08-01), Kawai et al.

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