An improving active inductor using a compensation resistor

Jyh Neng Yang*, Ming Jeui Wu, Chen-Yi Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


An improved CMOS high Q value active inductor by adding one resistor in the feedback path is proposed. This resistor generates a gain factor that can compensate for the internal loss and the inductance of the active inductor. Simulation results show that a dramatic improvement in the Q value up to 1E8, inductance value from 5nH to 7.5nH, 1.2E-8Ω of minimum total equivalent loss in the range of 0.5GHz to 2.5GHz, and 2.5mW power consumption under 2.5 V supply voltage has been observed.

Original languageEnglish
Pages (from-to)1529-1532
Number of pages4
JournalWSEAS Transactions on Circuits and Systems
Issue number11
StatePublished - 1 Nov 2005


  • Active inductor
  • Inductance
  • Power dissipation
  • Q-value

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