CONTROLLING THE BANDWIDTH OF AN ANALOG FILTER

A digital tuning system (250) for changing a cutoff frequency of an analog filter (132) includes digital synthesizers (292 and 294) for producing a two-tone calibration signal (196) applied to an input of the filter after a quality factor of the filter is increased. The filter includes at least one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RICHES, JAMES J, RAHMAN, MAHIBUR, PARKES, JOHN, J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS TRANSMISSION
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