This research work presents the design and analysis of a low-power Phase-Locked Loop (PLL) implemented using 90 nm CMOS technology. The PLL architecture has five main parts: Phase Frequency Detector (PFD), Charge Pump (CP), Loop Filter (LPF), Voltage-Controlled Oscillator (VCO), and Frequency Divider (FD). Each of these blocks was implemented in a manner to maintain a low power and stable frequency output. The VCO implemented a center frequency of 1.472 GHz and the total PLL was designed to use around 45.5 µW of power. Simulation results verified phase locking, stable frequency generation, and low power operation. The results suggest that the 90 nm CMOS technology presents a promising platform for the development of compact, low-power, on-chip frequency synthesizers suitable for future applications.

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Low-Power CMOS Phase-Locked Loop Design and Performance Evaluation in GPDK 90nm Technology

  • Vinay K. Kolur,
  • Jayalaxmi Gonal,
  • Rashmi Nimbaragi

摘要

This research work presents the design and analysis of a low-power Phase-Locked Loop (PLL) implemented using 90 nm CMOS technology. The PLL architecture has five main parts: Phase Frequency Detector (PFD), Charge Pump (CP), Loop Filter (LPF), Voltage-Controlled Oscillator (VCO), and Frequency Divider (FD). Each of these blocks was implemented in a manner to maintain a low power and stable frequency output. The VCO implemented a center frequency of 1.472 GHz and the total PLL was designed to use around 45.5 µW of power. Simulation results verified phase locking, stable frequency generation, and low power operation. The results suggest that the 90 nm CMOS technology presents a promising platform for the development of compact, low-power, on-chip frequency synthesizers suitable for future applications.