| 摘要 |
PURPOSE:To output both of continuous mode and enhancement pulse mode without altering the duty ratio of a switching circuit by controlling the phase of a pulse input to a plurality of pulse amplifiers connected in parallel. CONSTITUTION:A commercial AC power source 31 is rectified, smoothed by rectifying and smoothing circuits 33, and input to the first and second pulse amplifiers 35, 37. An input pulse signal of the prescribed pulse pattern is applied directly from a pulse generator 39 to the amplifier 35, and an input pulse signal is applied through a phase controller 41 to the amplifier 37. The outputs of the amplifiers 35, 37 are superposed to become a DC output. Both output voltages of continuous mode and enhancement mode are obtained by controlling the phase of a phase controller 41. |
