Linearity correction circuit
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United States of America Patent
Stats
-
Sep 16, 1986
Grant Date -
N/A
app pub date -
Jun 27, 1984
filing date -
Jun 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linearity correction circuit for high speed horizontal scanning is disclosed. The correction circuit uses high speed, fast recovery components capable of operating in the fifty to one hundred kilohertz range. A variable inductor is tapped directly to the flyback transformer, the variable nature of the inductor giving a range of correction for linearity. The inductor is connected to a capacitor and a damper diode with a diode so that the voltage built up across the capacitor, which is connected to the deflection coil, causes the damper diode to conduct early, thus correcting linearity of the circuit. Using a minimum number of components a highly efficient circuit is provided both in operation and cost of construction.
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