Method for tuning a tunable filter

Details Method for tuning a tunable filter Method for tuning a tunable filter

2007-04-26

2009-12-01

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

Reexamination Certificate

active

07626450

ABSTRACT:
A method for tuning a tunable filter includes inputting a control signal to the tunable filter and tuning the configuration of the tunable filter according to the control signal. When the control signal is at any one of a plurality of predetermined states, a step size of a characteristic frequency of the tunable filter is positively correlated with the characteristic frequency of the tunable filter.

REFERENCES:
patent: 6954115 (2005-10-01), Wong
patent: 7057451 (2006-06-01), Lou et al.
patent: 7239196 (2007-07-01), Hasegawa

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