## Abstract A Ka‐band three‐stage power amplifier was developed in 0.18 μm CMOS technology using a new substrate‐shielded coplanar waveguide (CPW). The new CPW structure reduces the loss from the conductive silicon substrate allowing high gain for the amplifier. Broadband modeling of substrate‐shie
A high-power amplifier using photonic bandgap and coplanar waveguide
✍ Scribed by Chulhun Seo
- Book ID
- 102519028
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 201 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
In this paper, an R‐band hybrid amplifier with a coplanar‐waveguide (CPW) and photonic‐bandgap (PBG) structure is designed and fabricated. We use PBG and CPW simultaneously in the amplifier to improve power‐added efficiency (PAE) and intermodulation distortion (IMD) in the R‐band. In this paper, the PBG structures are optimized to obtain a matching network. The output impedance of amplifier and the input impedance of PBG are matched to minimize the return loss. The PAE and IMD were improved by 15% and 4.5 dB, respectively, compared with a conventional amplifier. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 108–110, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10689
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