Circuit arrangement with frequency synthesis for the tuning of receiving sets
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United States of America Patent
Stats
-
Aug 11, 1981
Grant Date -
N/A
app pub date -
Oct 26, 1976
filing date -
Nov 11, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit arrangement for the selection and the tuning of a radio-electric signal in a signal receiving set is described. The main feature of this set, which comprises a controllable local oscillator whose frequency is controlled by a control loop which maintains it in a fixed relationship with a number N, is the provision of means for calculating at least a substantial part of said number N, by starting from a plurality of signals representing a number K indicative of the signal to be tuned. In particular the signal receiving set can be a television receiver, and said radio-electric signal to be tuned belongs to a television channel.
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Cited Art Landscape
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