A 380 MHz Direct Digital Synthesizer/Mixer With Hybrid CORDIC Architecture in 0.25 $\mu{\hbox {m}}$ CMOS

@article{Caro2007A3M,
  title={A 380 MHz Direct Digital Synthesizer/Mixer With Hybrid CORDIC Architecture in 0.25 \$\mu\{\hbox \{m\}\}\$ CMOS},
  author={Davide De Caro and Nicola Petra and A. Strollo},
  journal={IEEE Journal of Solid-State Circuits},
  year={2007},
  volume={42},
  pages={151-160}
}
The paper describes the implementation of a 380 MHz, 13 bit, direct digital synthesizer/mixer IC in 0.25mum CMOS technology. The circuit employs an innovative architecture which divides the pi/4 rotation operation required in the quadrature synthesizer/mixers, in three rotations. The first two rotations are implemented by using a CORDIC datapath completely realized in carry-save arithmetic. The directions of the CORDIC rotations are computed in parallel by using a little lookup table, for the… CONTINUE READING
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