A Low Power CMOS CORDIC Processor Design for Wireless Telecommunication

A CORDIC processor for wire telecommunication is integrated in a 0.5ìm CMOS technology. The CORDIC (Coordinate Rotation DIgital Computer) processor reduces the circuit complexity by performing a sequence of elementary rotations using shift and add operations without multiplications. Hard wired-logic eliminates the shifter and includes pre-calculated arctan angle values. The average power consumption is 76mW with 50MHz clock and 5V power supply. The fabricated modulator consumes 24mW at 61.44MHz sampling rate and 5V power supply.