Title :
Improved low-frequency current amplifiers
Author :
Nedungadi, Ashok
Author_Institution :
Indian Institute of Technology, Kanpur, India
Abstract :
It is shown that a recently reported current-amplification scheme can be inaccurate at low gains (≈10). A simple modification extends the operating gain range to unity gain. Inverting gain is also achieved. An alternate configuration that avoids the use of pnp devices is proposed.
Keywords :
Capacitors; Circuit optimization; Circuit synthesis; Circuit theory; Frequency; Linear circuits; Mirrors; Notice of Violation; Resistors; Tuning;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1979.11523