Butler oscillator

The Butler oscillator is a crystal-controlled oscillator that uses the crystal near its series resonance point.

References

    • Gottlieb, Irving M. (18 June 1997), Practical Oscillator Handbook (1st ed.), Newnes, ISBN 0-7506-3102-3

    Further reading

    • Butler, F. (June 1946), "Series-Resonant Crystal Oscillators", Wireless Engineer, 23: 157–160 (two-tube circuit was earlier)
    • Carr, Joe (September 1999), "Crystals Made Clear I", Electronics World: 780–783
    • Carr, Joe (October 1999), "Crystals Made Clear II", Electronics World: 849–855
    • US 6741137, Sibrai, Andreas & Kurt Fritzwenwallner, "High quality serial resonance oscillator", published 6 January 2003, issued 25 May 2004
    • US 3996530, Feistel, Claude Herbert & Theodore Gianos, "Butler oscillator", published June 30, 1975, issued Dec 7, 1976, assigned to International Business Machines Corporation
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