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Design of a 3.4 GHz Wide-Tuning-Range VCO in 0.18 μm CMOS

  • Ningampalli Ramanjaneyulu
  • Donti Satyanarayana
  • Kodati Satya Prasad
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 5)

Abstract

This brief paper presents the design of a 3.4 GHz wide-tuning-range ring Voltage Controlled Oscillator (VCO). VCO is one of the most critical building blocks in Phase Locked Loop (PLL), modern high speed communication applications such as microprocessor clock generation, communications, system synchronization, and frequency synthesis. The proposed three stage ring oscillator has been implemented with 1.8 V power supply in 0.18 µm CMOS process using Cadence Virtuoso tool. The proposed VCO is generating a frequency of 3.4 GHz and the linearity is achieved over the range of frequency from 1.76 to 3.4 GHz with 48.2% tuning range.

Keywords

Delay cell Ring oscillator VCO PLL Communication systems 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Ningampalli Ramanjaneyulu
    • 1
  • Donti Satyanarayana
    • 1
  • Kodati Satya Prasad
    • 2
  1. 1.RGMCETNandyalIndia
  2. 2.JNTUKKakinadaIndia

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