Title :
Novel current-mode instrumentation amplifier
Author :
Toumazou, Christofer ; Lidgey, F.J.
Author_Institution :
Dept. of Electr. Eng., Imperial Coll. of Sci. & Technol., London, UK
Abstract :
A novel current-mode instrumentation amplifier is described. The circuit design is simple and features high CMRR without requiring well matched resistors. Also, both high differential gain and bandwidth can be achieved simultaneously.
Keywords :
instrumentation amplifiers; operational amplifiers; common mode rejection ratio; current-mode; differential amplifiers; high CMRR; high differential gain; instrumentation amplifier; op-amp supply current sensing technique; wide bandwidth;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890163