Apparatus and method for recharging a string a avalanche transis

Details Apparatus and method for recharging a string a avalanche transis Apparatus and method for recharging a string a avalanche transis

1998-06-19

2000-05-30

Paladini, Albert W.

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

327183, 327422, 327580, 359257, H03K 326

Patent

active

060694149

ABSTRACT:
An apparatus and method for recharging a string of avalanche transistors within a pulse generator is disclosed. A plurality of amplification stages are connected in series. Each stage includes an avalanche transistor and a capacitor. A trigger signal, causes the apparatus to generate a very high voltage pulse of a very brief duration which discharges the capacitors. Charge resistors inject current into the string of avalanche transistors at various points, recharging the capacitors. The method of the present invention includes the steps of supplying current to charge resistors from a power supply; using the charge resistors to charge capacitors connected to a set of serially connected avalanche transistors; triggering the avalanche transistors; generating a high-voltage pulse from the charge stored in the capacitors; and recharging the capacitors through the charge resistors.

REFERENCES:
patent: 3555301 (1971-01-01), Hansen
patent: 3665222 (1972-05-01), Gatwood
patent: 4620113 (1986-10-01), Sizer et al.
patent: 5003191 (1991-03-01), Boyle et al.
patent: 5216695 (1993-06-01), Ross et al.
patent: 5434456 (1995-07-01), Booth
Design of Reliable High Voltage Avalanche Transistor Pulsers, E. Stephen Fulkerson, Rex Booth.

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