Active Inductor with Feedback Resistor Based Voltage Controlled Oscillator Design for Wireless Applications

Authors

  • Omar Faruqe Bangladesh Army University of Science and Technology
  • Md. Tawfiq Amin Military Institute of Science and Technology

Abstract

This paper presents active inductor based VCO design for wireless applications based on analysis of active inductor models (Weng-Kuo Cascode active inductor & Liang Regular Cascode active inductor) with feedback resistor technique. Embedment of feedback resistor results in the increment of inductance as well as the quality factor whereas the values are 125.6@2.4GHz (Liang) and 98.7@3.4GHz (Weng- Kuo). The Weng-Kuo active inductor based VCO shows a tuning frequency of 1.765GHz ~2.430GHz (31.7%), while consuming a power of 2.60 mW and phase noise of -84.15 dBc/Hz@1MHz offset. On the other hand, Liang active inductor based VCO shows a frequency range of 1.897GHz ~2.522GHz (28.28%), while consuming a power of 1.40 mW and phase noise of -80.79 dBc/Hz@1MHz offset. Comparing Figure-of-Merit (FoM), power consumption, output power and stability in performance, designed active inductor based VCOs outperform with the state-of-the-art.

Author Biographies

Omar Faruqe, Bangladesh Army University of Science and Technology

Department: Electrical and Electronic Engineering

Rank: Lecturer

Md. Tawfiq Amin, Military Institute of Science and Technology

Department: Electrical, Electronic and Communication Engineering

Rank: Instructor Class "B‟

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Published

2019-02-16

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Section

Microelectronics, nanoelectronics