| 摘要 |
PURPOSE:To make a fine adjustment of every circuit supplied with an output pulse voltage by connecting the input terminal of an up switching element provided between a power source for current supply and an output teminal to a power source for a different voltage from said power source for current supply. CONSTITUTION:The up switching element QU is provided between the power source 3 for current supply and output terminal 2 and a diode D1 is connected between the output terminal of the element QU and ground. A diode D2 as a conduction path is provided between the terminal 2 and the input terminal of the QU and a bias voltage VG is supplied from a terminal 7 to the gate of the QU through a resistance RG. Further, a down switching element Qd is connected between the input terminal of the QU and ground and an input signal Vi and a bias voltage VS are supplied to the gate of a Qd to constitute an amplifying circuit. The voltage VG is set lower than a voltage VS supplied from a terminal 3 and varied finely corresponding to every pulse amplifier in use. Consequently, when the input pulse voltage Vi is applied to a terminal 1, the crest value of an output pulse voltage VO corresponds to the discharge starting voltages of individual gas discharge panels without exceeding the VG. |
