Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4978
Title: The groove-guide oscillator
Authors: Bechteler, Thomas F.
Aydınlık Bechteler, Ayşe Sevinç
Keywords: Negative resistance
Groove guide resonators
Frequency of operation
Total reflection
Standing wave
Issue Date: Oct-2011
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Bechteler, T. F., and Aydınlık Bechteler, A. S. (2011). The groove-guide oscillator. IEEE Microwave Magazine, 12(6), 110-119. doi:10.1109/MMM.2011.942012
Abstract: The groove guide, a low-loss waveguide consists of two separate parallel plates whose separation distance can be adjusted, thereby affecting the frequency of operation of the guide itself. The standing waves in a groove guide along the direction of propagation are commonly obtained by either total reflection at both ends or by forming a closed loop. A negative resistance has to be implemented to induce oscillations of the groove guide resonator. It is desirable to induce oscillations directly inside the groove region therefore the negative resistance must be placed inside the groove. A Gunn element was selected to provide this negative resistance. A standard heterodyne system may be realized in order to use the groove-guide oscillator for distance or permittivity measurements. The groove-guide oscillator works as an active sensor in the X-band. The accuracy with which the resonant frequency is determined depends on the bias stability of the Gunn element, the phase noise of the local oscillator, and the error of the frequency counter.
URI: http://doi.org/10.1109/MMM.2011.942012
http://hdl.handle.net/11147/4978
ISSN: 1527-3342
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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