The Analyse of butler oscilator and power dissipation in the crystal unit

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F11%3APU92104" target="_blank" >RIV/00216305:26220/11:PU92104 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The Analyse of butler oscilator and power dissipation in the crystal unit
Original language description
In many applications, for example a direct digital synthesis, it is necessary to use the high quality and on higher overtone working crystal oscillator. One of the best circuits for this purpose is Butler oscillator as emitter follower. By this circuit is possible to design a high frequency oscillator working up to hundred megahertz. In this paper the design of the Butler oscillator at 2^26 Hz by use of a feedback loop analysis in resonance frequency vicinity of the crystal is showed. Influence of the circuit elements values is calculated in Matlab environment. This is important for low phase noise (high short-term stability) oscillator design and stability of the output signal amplitude. The design is oriented on the maximum short-term stability. The next step is determination and optimalization of the power dissipation in the crystal unit. For decreasing of this power dissipation we use limiting diodes.
Czech name
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Czech description
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Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 17 th conference student EEICT 2011 - volume 3
ISBN
978-80-214-4273-3
ISSN
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e-ISSN
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Number of pages
5
Pages from-to
376-380
Publisher name
NOVPRESS s.r.o
Place of publication
Brno
Event location
Brno
Event date
Apr 28, 2011
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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