Wideband translinear current convertor

15 March 1984

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 20 (6) , 241-242
https://doi.org/10.1049/el:19840162

Abstract

A bipolar current-to-current convertor (CCCS) using a PNP-NPN translinear loop and two current mirrors is described. This convertor has a virtual earth input, and may be used to realise voltage-current conversion (VCCS). This convertor configuration enables us to obtain a wideband frequency response. The characteristics of a practical current source are presented.

Keywords

OPERATIONAL AMPLIFIER
CURRENT MIRRORS
VOLTAGE-CURRENT CONVERSION
CURRENT SOURCE
TRANSFER CURRENT RATIO
BIPOLAR CURRENT-TO-CURRENT CONVERTOR
VIRTUAL EARTH INPUT
WIDEBAND FREQUENCY RESPONSE
TRANSLINEAR CURRENT CONVERTOR
PNP-NPN TRANSLINEAR LOOP

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