Title :
D.C. matching errors in the Wilson current source
Author :
Hart, B.L. ; Barker, R.W.J.
Author_Institution :
North East London Polytechnic, Department of Electrical Engineering, Dagenham, UK
Abstract :
A theoretical formula, accounting for parameter mismatch errors, and experimental measurements establish the necessity for using an additional transistor in the widely used Wilson current source if a direct-current transfer ratio centred on unity is to be achieved.
Keywords :
constant current sources; DC matching errors; DC transfer ratio; Wilson current source; parameter mismatch errors;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19760297
