Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load
Patent
1988-11-04
1991-05-21
Razavi, Michael
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Discharge device load
315291, 315193, 315DIG4, 315DIG7, H01J 744
Patent
active
050178342
ABSTRACT:
A high voltage active device such as a power FET is employed in a circuit configuration which maximizes the terminal impedance. This high impedance is placed in series with the gaseous discharge device to be driven. The gaseous discharge device is able to sustain conduction, between pulsed operations, at very low currents due to the very high impedance presented by the FET. A further refinement of the invention provides the supply voltage for the combination of the FET and the gaseous discharge device from a capacitor which can be charged during normal pulse-forming network charging.
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Denson-Low Wanda K.
Hughes Aircraft Company
Razavi Michael
Streeter William J.
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