LOW-VOLTAGE LOW-POWER CMOS CURRENT CONVEYORS

New CMOS rail to rail second generation current conveyor circuits are proposed. First a class A current conveyor circuit which operates from a single supply of 1.5 V with a rail to rail voltage swing capability is given, The circuit is then modified to work as a class AB while ma intaining the rail to rail swing capability. The class AB circuit work s from supply voltages down to +1.1 V with standby current of 56 mu A. These new current conveyor realizations are insensitive to the thresh old voltage variation caused by the body effect, which minimizes the l ayout area and makes both circuits a valuable addition to the analog V LSI libraries, PSpice simulation confirms the attractive properties of the proposed circuits.