## Abstract This article presents the development of a ceramic micro heat exchanger. Starting from its geometrical design, results obtained from a simplified simulation of the heat exchanger efficiency will be given. The alumina microcomponents were manufactured by a rapid prototyping process chain
Design, realization, and test of a 900 MHz ceramic oscillator
✍ Scribed by Stefano Pisa; Emanuele Piuzzi; Pasquale Tommasino; Alessandro Trifiletti; Alessandro Galli; Giancarlo Giolo; Antonio Tafuto
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 384 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
The design of a 900 MHz ceramic oscillator, delivering a power of 10 dBm, has been carried out by using the negative‐resistance condition. A new procedure based on the Nyquist criterion, implemented within microwave CADs has been used to test the onset of oscillations at the desired frequency and the presence of spurious oscillation. An excellent agreement between nonlinear simulations and measurements performed on a prototype has been observed. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1713–1717, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22528
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