Title :
DC-gain enhancement technique for differential current-mode integrators
Author :
Yazkurt, U. ; Dundar, Gunhan
Author_Institution :
Dept. of Electr. & Electron. Eng., Bogazici Univ., Istanbul, Turkey
Abstract :
A DC-gain enhancement technique for Q-tuning is presented for low-voltage current-mirror based differential current-mode integrators. A tunable active resistor makes it theoretically possible to obtain infinite DC-gain without making any modification to the operating point of the integrator. Simulation results agree well with the technique.
Keywords :
circuit tuning; current mirrors; current-mode circuits; integrated circuit design; resistors; DC-gain enhancement; Q-tuning; differential current-mode integrator; low-voltage current-mirror; tunable active resistor;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.0056
