Feasibility of tunable amplifier and bandpass filter for mobile handsets using active inductor circuits

J. Rodriguez Tellez, N. T. Ali, B. Majeed

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper active inductor circuits are employed to assess their suitability for providing a tuning function in GaAs MMIC circuits. The specifications for a mobile handset amplifier and a bandpass filter operating from a 3 V supply rail are used as test vehicles. The design and simulation of the circuits employs a low-cost commercially available low pinch-off GaAs MESFET process. The suitability of active inductors for tuning in such applications considers issues such as frequency tuning range, noise, power consumption and stability.

Original languageBritish English
Pages (from-to)307-319
Number of pages13
JournalActive and Passive Electronic Components
Volume25
Issue number4
DOIs
StatePublished - 2002

Keywords

  • Active inductors
  • GaAs MESFET
  • MMIC

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