Precision Full-Wave Rectifier Using Two DDCCs

Montree Kumngern

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DOI: 10.4236/cs.2011.23019                

Abstract

A new precision full-wave rectifier employing only two differential difference current conveyors, which is very suitable for CMOS technology implementation, is presented. The proposed rectifier is the voltage-mode circuit, which offers high-input and low-output impedance hence it can be directly connected to load without using any buffer circuits. PSPICE is used to verify the circuit performance. Simulated rectifier results based-on a 0.5 µm CMOS technology with ±2.5 V supply voltage demonstrates high precision rectification and excellent temperature stability. In addition, the application of proposed rectifier to pseudo RMS-to-DC conversion is also introduced.

Keywords

Full-Wave Rectifier, Voltage-Mode Circuit, DDCC, RMS-to-DC Conversion

Conflicts of Interest

The authors declare no conflicts of interest.

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