Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jorgen Staal Nielsen0
Richard Nichols0
Date of Patent
August 14, 2018
0Patent Application Number
153608130
Date Filed
November 23, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A variable filter has a signal loop defined between a signal input and a signal output. A plurality of circuit elements connected in the signal loop, the plurality of circuit elements comprising a frequency tunable resonator, and an adjustable scaling block that applies a gain factor that is adjustable in a range that comprises a positive gain and a negative gain. A controller is connected to 1) tune the frequency tunable resonator; and to 2) adjust the gain factor of the adjustable scaling block between a negative gain factor to a positive gain factor providing for variable Q independent of frequency.
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