Ultra-short pulse generator

Details Ultra-short pulse generator Ultra-short pulse generator

1991-07-12

1993-12-28

Pellinen, A. D.

Electrical transmission or interconnection systems

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

With capacitor

307268, 333 20, H03K 300, H03K 501

Patent

active

052742717

ABSTRACT:
An inexpensive pulse generating circuit is disclosed that generates ultra-short, 200 picosecond, and high voltage 100 kW, pulses suitable for wideband radar and other wideband applications. The circuit implements a nonlinear transmission line with series inductors and variable capacitors coupled to ground made from reverse biased diodes to sharpen and increase the amplitude of a high-voltage power MOSFET driver input pulse until it causes non-destructive transit time breakdown in a final avalanche shockwave diode, which increases and sharpens the pulse even more.

REFERENCES:
patent: 3626200 (1971-12-01), Sasayama
patent: 3673423 (1972-06-01), Planas
patent: 3878449 (1975-04-01), Wilhelmi et al.
patent: 3983416 (1976-09-01), Cronson
patent: 4274134 (1981-06-01), Johannessen
patent: 4442362 (1984-04-01), Rao
patent: 4855696 (1989-08-01), Tan et al.
patent: 4956568 (1990-09-01), Su et al.
patent: 5014018 (1991-05-01), Rodwell et al.
patent: 5023574 (1991-06-01), Anklam et al.

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