Class e Colpitts oscillator for low power wireless applications

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A class E Colpitts oscillator for low power wireless applications, operating around 900MHz, is reported for the first time. A microstrip design of the oscillator demonstrates a maximum drain efficiency of 46.5, with an output power of 8.5dBm, at a supply voltage of 1.2V. Simulation predicts that a miniaturised design of the oscillator with lumped element components would achieve a drain efficiency of over 60.

Original languageEnglish (US)
Pages (from-to)1257-1258
Number of pages2
JournalElectronics Letters
Issue number21
StatePublished - Oct 20 2008

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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