An 11-Bit 8.6 GHz Direct Digital Synthesizer MMIC With 10-Bit Segmented Sine-Weighted DAC

  title={An 11-Bit 8.6 GHz Direct Digital Synthesizer MMIC With 10-Bit Segmented Sine-Weighted DAC},
  author={Xueyang Geng and Foster F. Dai and J. David Irwin and Richard C. Jaeger},
  journal={IEEE Journal of Solid-State Circuits},
This paper presents a low power, ultrahigh-speed and high resolution SiGe DDS MMIC with 11-bit phase and 10-bit amplitude resolutions. Using more than twenty thousand transistors, including an 11-bit pipeline accumulator, a 6-bit coarse sine-weighted DAC and eight 3-bit fine sine-weighted DACs, the core area of the DDS is 3 × 2.5 mm2. The maximum clock frequency was measured at 8.6 GHz with a 4.2958 GHz output. The DDS consumes 4.8 W of power using a single 3.3 V power supply. It achieves the… CONTINUE READING
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