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

Volume

47

Issue

6

fYear

2000

fDate

6/1/2000 12:00:00 AM

Firstpage

548

Lastpage

552

Abstract

The authors present an analog circuit architecture that implements the function f(x, y)=x·e^a·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;

fLanguage

English

Journal_Title

Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on

Publisher

ieee

ISSN

1057-7130

Type

jour

DOI

10.1109/82.847071

Filename

847071