论文信息 - CMOS Low-Distortion High-Frequency Variable-Gain Amplifier

CMOS Low-Distortion High-Frequency Variable-Gain Amplifier

This paper describes the principle and design of a CMOS variable-gain amplifier for high-frequency applications. The operation of the differential circuit is based on a linear voltage-to-current conversion by means of a digitally controlled conversion impedance. Experimental results of the circuit show total harmonic distortion figures better than ¿60 dB and a gain accuracy of 0.05 dB over the ¿2 to + 12 dB gain range.

J.J.F. Rijns

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