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MMIC tunable active notch filter

MMIC tunable active notch filter

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A novel microwave notch filter is reported which has a single-stage reflection topology. The identical RLC reflection terminations employ independent voltage controlled elements. As a result, the Q-factor and notch frequency can be varied. An experimental notch filter, tunable from 2 to 3.5 GHz, has been successfully realised using monolithic technology.

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      • Karacaoglu, U., Lucyszyn, S., Robertson, I.D.: `Modelling and designof X-band MMIC varactor-tuned VCOs', IEE Coll. Dig. on Modelling, Design andApplication of MMIC's, 1994, London, p. 13/1–5
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