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Compact class AB CMOS current mirror

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4 Author(s)
Lopez-Martin, A.J. ; Dept. of Electr. & Electron. Eng., Public Univ. of Navarra, Pamplona ; Ramirez-Angulo, J. ; Carvajal, R.G. ; Algueta, J.M.

A novel class AB current mirror is presented. The circuit combines high current-handling capability with high accuracy, very low input resistance, low supply voltage requirements, and low standby power consumption. Measurement results of the circuit, fabricated in a 0.5 mum CMOS technology, show a THD of -60 dB for input current amplitudes 20 times larger than the bias current and a quiescent power consumption of 165 muW.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 23 )