Size reduction of microwave and millimeter-wave passive circuits by UC-PBG in standard 0.18-μm CMOS technology
✍ Scribed by Shuiyang Lin; Liwu Yang; Xiaowei Sun
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 354 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
Size reduction of microwave and millimeter‐wave (mm‐wave) passive circuits incorporating a defective uniplanar compact photonic bandgap (UC‐PBG) slow‐wave structure is investigated. Benefited from the multilayer mental technology of the standard 0.18‐μm CMOS process, thin film microstrip structure is properly constructed on the lossy silicon substrate to reduce substrate loss. Defected periodic patterns on the ground plane are used to contribute to an enhancement of the effective dielectric constant and the slow‐wave factor is 14% increased by the use of UC‐PBG ground. Microwave and mm‐wave passive circuits including resonator and filter are designed and fabricated. Measured results show that the use of UC‐PBG ground has induced a frequency drop of 14% and validate the size reduction concept by using UC‐PBG. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2251–2254, 2008; Published online in Wiley InterScience (www.interscience.wiley.com).DOI 10.1002/mop.23643