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High voltage, high speed and high pulse repetition rate pulse generator

A pulse generator and repetition rate technology, applied in the direction of electrical pulse generator circuits, pulse shaping, and energy storage elements to generate pulses, etc., can solve the problems of low electrical efficiency, reliability problems, and expensive RF power amplifier production.

Inactive Publication Date: 2009-06-10
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Said RF power amplifiers are expensive to produce and also have reliability issues due to internal heat generation during high pulse repetition rate generation
RF power amplifiers require real estate, which is undesirable, and typically have low electrical efficiency
Furthermore, RF power amplifier technology is not particularly well suited for the generation of high pulse repetition rates, especially due to heat losses

Method used

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  • High voltage, high speed and high pulse repetition rate pulse generator
  • High voltage, high speed and high pulse repetition rate pulse generator
  • High voltage, high speed and high pulse repetition rate pulse generator

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Embodiment Construction

[0024] FIGS. 1 and 2 are first described to provide a background that facilitates a better understanding of the discussion associated with describing FIG. 3 below. Referring now to FIG. 1, a simplified circuit diagram illustrates a basic soft-switching, pulse-shaping circuit architecture 10 in accordance with one embodiment. Circuit 10 includes a transconductance amplifier 12 that acts as a type of current source in response to an input voltage pulse 13 .

[0025] MOSFET device 14 in combination with clamping diode 16 operates as a pulse shaping circuit to produce a square or rectangular voltage pulse across a desired load 18 . Circuit 10 is robust against short and open loads due to the current sources used to drive the pulse shaping circuit.

[0026] The gate input drive of the MOSFET device 14 is controlled in such a way that the MOSFET device 14 is turned on in a soft switching mode. Soft switching reduces switching losses associated with the MOSFET switching device 14 a...

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PUM

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Abstract

A high voltage, high speed, and high repetition rate pulse generator solves the high pulse repetition rate limitations associated with RF power amplifiers. The pulse generator employs resonant techniques to provide current limiting features that allow for continued high voltage, high speed, and high repetition pulse rate operation of the pulse generator without impairment of the pulse generator during both short circuit and open circuit load conditions.

Description

technical field [0001] The present invention relates generally to electrical power conversion, and more particularly to a high voltage, high speed, high pulse repetition rate pulse generator using soft switching and pulse shaping techniques. Background technique [0002] Generators capable of operating at high voltage, high speed, and high pulse repetition rate typically use radio frequency (RF) power amplifiers and related technologies to accomplish high voltage, high speed, and high pulse repetition rate generation and transmission. Said RF power amplifiers are expensive to produce and also have problems in terms of reliability due to internal heat generation during high pulse repetition rate generation. RF power amplifiers require real estate, which is undesirable, and generally have low electrical efficiency. Furthermore, RF power amplifier technology is not particularly suitable for the generation of high pulse repetition rates, especially due to heat losses. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/537H02M5/02H03K5/01
CPCH03K3/53
Inventor F·陶F·J·J·米勒R·C·默里A·杨西S·G·萨杜希J·T·莫索巴J·S·格拉泽
Owner GENERAL ELECTRIC CO
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