Circuit arrangement for the generation of a sawtooth voltage
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United States of America Patent
Stats
-
Jul 12, 1983
Grant Date -
N/A
app pub date -
Nov 24, 1980
filing date -
Dec 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Circuit arrangement for generating a sawtooth voltage which has a substantially nominal frequency in the absence of synchronization pulses, whereby the changeover to direct synchronizability takes place as soon as a synchronization pulse comes into coincidence with the sawtooth flyback. In this way a phase change is avoided when the changeover is made. The changeover to nominal frequency occurs as soon as a pulse fails to occur within the natural period effective in case of direct synchronization. A threshold value circuit has an intermediate value which prevents synchronization by interference pulses occurring prematurely.
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Cited Art Landscape
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