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A class-AB four-quadrant current multiplier constituted by a class-AB current amplifier and a current splitter which can handle input signals in excess of ten times the bias current is presented. The proposed circuit operation is based on the exponential characteristic of BJTs or subthreshold MOSFETs. The multiplier is designed using the latter devices and achieves very low power consumption. Simulation...
A class-AB switched current memory cell is proposed. The circuit decomposes the input signal into two components by a low-voltage class-AB current splitter and subsequently processes the individual signals by two low switching error class-A memory cells. As a consequence, the output current obtained by recombination of the separated signals can be higher than the bias current and features low error...
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