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This paper presents a new high speed current mirror with continuous gain adjustment. Based on this current mirror, a variable gain current amplifier is designed in 0.18 µm CMOS technology. The current gain of the amplifier can be continuously varied from 0 dB to 20 dB while the bandwidth of the circuit remains above 100 MHz. The circuit consumes 0.9 mW from 1.5 V supply. Keywords: CMOS, current mirror, current amplifier, tunable gain Classification: Integrated circuits Test and Applications, pp. 410-413, 2006. [3] J. Ramirez-Angulo, C. Durbha, A. J. Lopez-Martin, and R. G. Carvajal, "Highly linear wide tuning range CMOS transconductor operating in moderate inversion," Proc. References