Title :
A current-mode exponential amplifier
Author :
Panagiotopoulos, Dimokritos A. ; Newcomb, Robert W. ; Singh, Sanjeev K.
Author_Institution :
Dept. of Autom., Technol. Educ. Inst. of Thessaloniki, Greece
fDate :
6/1/2000 12:00:00 AM
Abstract :
The authors present an analog circuit architecture that implements the function f(x, y)=x·ea·y, where f(·,·),x and y are expressed by currents. An important property of this circuit is that x and y may either be positive or negative. The design of this circuit is based on the translinear principle, and suits IC implementation. The motivation for the development of this circuit is the need for f(x, y) as a building block in a neural network; however, the use of this circuit is not limited to neural networks
Keywords :
BiCMOS analogue integrated circuits; amplifiers; analogue processing circuits; current-mode circuits; network analysis; network synthesis; neural chips; BiCMOS IC; IC implementation; analog circuit architecture; analogue neural networks; current-mode exponential amplifier; translinear principle; Analog circuits; BiCMOS integrated circuits; Circuit testing; Educational technology; Kernel; Neural networks; Operational amplifiers; Signal processing; Signal processing algorithms; Voltage;
Journal_Title :
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
