An ultra low area asynchronous combo 4/8/12-bit/quaternary A/D converter based on integer division
Microelectronics Journal
Current mode read-out circuit for InGaAs photodiode applications
Microelectronics Journal
A CMOS low-voltage low-power temperature sensor
Microelectronics Journal
Current conveyor based or unity gain cells based two integrator loop oscillators
Microelectronics Journal
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Current Mirrors are widely used in current mode circuits like A/D Converters, current conveyors, filters etc. The most important features of a current mirror are its precision, its input and output, resistance and minimum voltage and its frequency response. Although several mirrors with extremely small current transfer error have been presented, this error is usually measured in the typical case. This error may significantly differ in real-time conditions depending on mismatches, process and temperature variations. Stimulated by the current reference generation required in an A/D Converter with novel binary tree architecture that has been recently presented, an appropriate current mirror architecture supported by real time calibration logic is described in this paper. This mirror can generate a high enough output current (up to 1mA), with relatively low transfer error (