Led power supply system having a power factor controller and...
Light-triggered electric power source
Lightning protection for power inverters
Line connected scr regulator
Line-powered, phase-control circuit
Linear ac/dc power adapters
Load commutated inverter and synchronous motor drive...
Load current fundamental filter with one cycle response
Logic control apparatus to control the firing angle of...
Long life incandescent switching system
Loss compensation regulation for an inverter power supply
Lossless snubber
Low b + start circuit for line operated receiver
Low cost transistorized inverter
Low drop-out voltage regulator apparatus
Low harmonics, polyphase converter circuit
Low input voltage precision dc-to-dc voltage converter circuit
Low input voltage, high efficiency, dual output dc-dc converter
Low loss snubber circuit with active recovery switch
Low power high efficiency switching power supply