Static capacitance and resonance frequencies of an edge-fed disk over a grounded dielectric slab
✍ Scribed by J. A. Brandão Faria
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 250 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A multiconductor transmission‐line modal analysis technique is used to determine the frequency‐dependent input admittance of an edge‐fed disk resting over a grounded dielectric slab, fringing field effects being accounted for. The innovative analysis presented here considers the disk structure as the limit case of a ring device, whose internal radius is made negligibly small. By considering very‐low frequency regimes, a static approximation of the static disk capacitance is obtained and shown to agree with previous literature on the topic. For very‐high frequency regimes where the edge‐fed disk behaves as a resonator device, resonance frequencies are determined and compared against results concerning center‐fed disks; radiation effects are ignored in both cases. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:966–971, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25059