Pulse generator including a capacitor which is discharged through a thyristor

A pulse generating circuit which comprises:

• a DC power source having a positive terminal and a negative terminal;
• a capacitor having a positive terminal and a negative terminal connected in series through a resistor for charge to said DC power source;
• a series connection of a load and a main thyristor which is connected between both ends of said capacitor;
• a shunt circuit for generating a predetermined shunt potential at a shunt point and said shunt circuit being connected between both ends of said DC power source;
• a three terminal trigger element whose main terminals are connected between the positive terminal of said capacitor and the gate terminal of said main thyristor and whose control terminal is connected to the shunt point of said shunt circuit;
• said shunt circuit comprising a series connection of a diode and a resistor;
• said three terminal trigger element comprising an N gate thyristor.

A pulse generating circuit which comprises:

• a DC power source having a positive terminal and a negative terminal;
• a capacitor having a positive terminal and a negative terminal connected in series through a resistor for charge to said DC power source;
• a series connection of a load and a main thyristor which is connected between both ends of said capacitor;
• a shunt circuit for generating a predetermined shunt potential at a shunt point and said shunt circuit being connected between both ends of said DC power source;
• a three terminal trigger element whose main terminals are connected between the positive terminal of said capacitor and the gate terminal of said main thyristor and whose control terminal is connected to the shunt point of said shunt circuit;
• said shunt circuit comprises a series connection of two resistors;
• said three terminal trigger element comprises a silicon unilateral switch (SUS).

A pulse generating circuit which comprises:

• a DC power source having a positive terminal and a negative terminal;
• a capacitor having a positive terminal and a negative terminal connected in series through a resistor for charge to said DC power source;
• a series connection of a load and a main thyristor which is connected between both ends of said capacitor;
• a shunt circuit for generating a predetermined shunt potential at a shunt point and said shunt circuit being connected between both ends of said DC power source;
• a three terminal trigger element whose main terminals are connected between the positive terminal of said capacitor and the gate terminal of said main thyristor and whose control terminal is connected to the shunt point of said shunt circuit;
• said shunt circuit comprises a series connection of two resistors;
• said three terminal trigger element comprises an N gate thyristor.

A pulse generating circuit which comprises:

• a DC power source having a positive terminal and a negative terminal;
• a capacitor having a positive terminal and a negative terminal connected in series through a resistor for charge to said DC power source;
• a series connection of a load and a main thyristor which is connected between both ends of said capacitor;
• a shunt circuit for generating a predetermined shunt potential at a shunt point and said shunt circuit being connected between both ends of said DC power source;
• a three terminal trigger element whose main terminals are connected between the positive terminal of said capacitor and the gate terminal of said main thyristor and whose control terminal is connected to the shunt point of said shunt circuit;
• said shunt circuit comprises a series connection of two resistors;
• said three terminal trigger element comprises a transistor;
• one end of said shunt circuit being connected to the junction between said resistor for charge and said capacitor and a series connection of a resistor and a diode being connected between the shunt point of said shunt circuit and the other side of said resistor for charge.

A pulse generating circuit which comprises:

• a DC power source having a positive terminal and a negative terminal;
• a capacitor having a positive terminal and a negative terminal connected in series through a resistor for charge to said DC power source;
• a series connection of a load and a main thyristor which is connected between both ends of said capacitor.
• a shunt circuit for generating a predetermined shunt potential at a shunt point and said shunt circuit being connected between both ends of said DC power source;
• a three terminal trigger element whose main terminals are connected between the positive terminal of said capacitor and the gate terminal of said main thyristor and whose control terminal is connected to the shunt point of said shunt circuit;
• said shunt circuit comprises a series connection of two resistors;
• said three terminal trigger element comprises a transistor;
• one end of said shunt circuit being connected to the junction between said resistor for charge and said capacitor and a base of a PNP transistor being connected to the shunt point of said shunt circuit;
• an emitter of said PNP transistor being connected to the other side of said resistor for charge and a collector of said PNP transistor being connected through a resistor to the negative terminal of said DC power source.