TUNABLE TRACKING FILTER

An integrated tuner circuit has an arbitrary IF (intermediate frequency) output. The tuner includes an integrated circuit with a fixed-frequency control loop and a matched external variable capacitance Ct, to achieve tracking of a tuned LC band-pass filter with an arbitrary oscillator.

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Bibliographische Detailangaben
1. Verfasser:	RUITENBURG, LEONARDUS, JOSEPH, MICHAEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY SELECTING RESONANT CIRCUITS TUNING RESONANT CIRCUITS
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Beschreibung
Zusammenfassung:	An integrated tuner circuit has an arbitrary IF (intermediate frequency) output. The tuner includes an integrated circuit with a fixed-frequency control loop and a matched external variable capacitance Ct, to achieve tracking of a tuned LC band-pass filter with an arbitrary oscillator.