## Abstract A new miniature microstrip four‐pole bandpass filter using a two‐layer structure with quarter‐wavelength resonators and open stub inverters is proposed. The coupling between the resonators in the two layers is achieved via a slot etched on a common ground plane located between the layer
A reduced-size two-layer bandpass filter
✍ Scribed by Azzeddine Djaiz; Tayeb A. Denidni
- Book ID
- 102517334
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 242 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
In this paper, a new design for a reduced‐size two‐layer bandpass filter is introduced. This filter is built using four resonators placed in two stacked microstrip layers. In this structure, each layer contains two resonators, and the coupling between the resonators in the upper layer and those in the lower one is achieved via two rectangular slots etched in a common ground plane placed between the two layers. Using this design, the size of the proposed filter can be significantly reduced. A design is fabricated and the measured results are described. These measurements demonstrate excellent agreement with the computer‐simulated predictions. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 512–515, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20683
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