Low cost microwave oscillator using substrate integrated waveguide cavity
Top Cited Papers
- 19 February 2003
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Microwave and Wireless Components Letters
- Vol. 13 (2) , 48-50
- https://doi.org/10.1109/lmwc.2003.808720
Abstract
A topology is proposed for designing a low-cost microwave oscillator. This new feedback oscillator makes use of a substrate integrated waveguide (SIW) cavity that acts as a frequency selector as well as a feedback-coupling device. The oscillator is stabilized by using an injection-locking scheme. A 12.02-GHz oscillator prototype was designed. Experimental results for phase noise, locking range, and quality factor of the new circuit are presented. An external Q of 178 was measured.Keywords
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