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Voltage timer monitors line-connected ac loads
A one-wire counter and an optoisolator keep track of the on-time of an ac load. Details... more...
Voltage doubler uses inherent features of push-pull dc/dc converter
Paralleled Darlingtons drive a wide-range voltage doubler. Details... more...
Circuit compensates system offset of a load-cell-based balance
A dual DAC stores the system-offset voltage, which gets determined during a power-on calibration sequence. Details... more...