document: Current-mode fully-programmable piece-wise-linear block for neuro-fuzzy applications A new method to implement an arbitrary piece-wise-linear characteristic in current mode is presented . Each of the breaking points and each slope is separately controllable . As an example a block that implements an N-shaped piece-wise-linearity has been designed . The N-shaped block operates in the subthreshold region and uses only ten transistors . These characteristics make it especially suitable for large arrays of neuro-fuzzy systems where the number of transistors and power consumption per cell is an important concern . A prototype of this block has been fabricated in a 0.35 mu m CMOS technology . The functionality and programmability of this circuit has been verified through experimental results
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