Multiplexed high voltage DC-AC driver

Details Multiplexed high voltage DC-AC driver Multiplexed high voltage DC-AC driver

2005-06-28

2005-06-28

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S194000, C315S226000, C315S307000

Reexamination Certificate

active

06911790

ABSTRACT:
A multiplexed high voltage DC-AC driver including multiple DC-AC switches and decoder logic. Each DC-AC switch receives an input DC voltage and is operative, when enable, to toggle its output at a rate based on a master clock signal and at a voltage based on the input DC voltage. The DC-AC switches include one or more high side switches and a low side switch. The low side switch includes a clock inverter and operates out-of-phase relative to each high side switch. The decoder logic enables selected ones of the high side switches and enables the low side switch when any high side switch is enabled.

REFERENCES:
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patent: 4595976 (1986-06-01), Parro, II
patent: 4691274 (1987-09-01), Matouk et al.
patent: 5600548 (1997-02-01), Nguyen et al.
patent: 5798620 (1998-08-01), Wacyk et al.
patent: 6021052 (2000-02-01), Unger et al.
patent: 6031738 (2000-02-01), Lipo et al.

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