Power/Alternative Energy 
Green design enhances normally-on switches
Keywords: CE designs electrically programmable analogue device Power MOSFETs
[Summary of tips] A depletion-mode MOSFET's channel is conductive, and its drain current ID(ON) flows when the gate terminal is at 0V (VGS = 0V), i.e. it requires no gate voltage to function. VGS can even be several volts positive. Applying an increasingly negative bias at the gate reduces conduction in the channel until finally its threshold vo......Please login or register with us to view this article>>
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