PWM方式ワイドレンジ水平偏向サイズ制御回路

抄録

We developed the wide range horizontal deflection size control circuit using the PWM (Pulse Width Modulation). We used the PWM form in order to make small-sized circuit, to decrease power loss, to get the cost lowly. As a result, we took off the size coil, the relay, and the heat sink of the size control transistor, which were used in conventional circuit.