DEFLECTED WAVEFORM CORRECTING PULSE GENERATOR AND DEFLECTIONCORRECTED WAVEFORM GENERATOR

摘要

PURPOSE: To generate a high-stability correction waveform by providing a phase locked loop(PLL) for controlling the frequency of horizontal oscillated signal for providing a flyback pulse from the horizontal oscillated signal and a horizontal frequency pulse generator with which a pulse signal and the output signal of oscillator keep the mutually fixed phase relation without being affected by beam load operation exerted upon a horizontal flyback pulse. CONSTITUTION: A horizontal flyback pulse source to receive the beam load operation is provided. A PLL 600 has a 1st input connected to the flyback pulse for sampling with a prescribed voltage amplitude and a 2nd input connected to a separated periodic pulse source. The PLL 600 controls the frequency of horizontal oscillated signal for providing the flyback pulse. A horizontal frequency pulse generator is connected to the flyback pulse and generates a pulse signal for generating the deflection corrected signal with the prescribed voltage amplitude. These pulse signal and oscillator output signal keep the mutually fixed phase relation without being affected by the beam load operation.