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
External links
- Crystal Theory (PDF), Technical Notes, Somerset UK: EuroQuartz, n.d., retrieved 8 February 2015
- http://www.analog.com/static/imported-files/application_notes/AN-419.pdf
- http://www.icmfg.com/crystaloscillatordata.html Two-transistor Butler
- http://www.hpl.hp.com/techreports/1999/HPL-1999-6.pdf Butler, Meacham, Sultzer, ...
- "Technicana: Series Resonant Crystal Oscillators" (PDF), Radio Manufacturing and Broadcasting: 6–7, October 1946
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