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SI-Based Class AB Power Amplifier for Wireless Medical Sensor Network

Wei Cai 1, Liang Huang 2, and Wujie Wen 3
1. Department of Electrical Engineering and Computer Science, University of California, Irvine, CA, USA
2. Department of Information & Electronic Engineering, Zhejiang Gongshang University, Hang Zhou, Zhejiang, China
3. Department of Electrical and Computer Engineering, Florida International University, Miami, FL, USA

Abstract—The objective of this research was to design a 2.4 GHz class AB Power Amplifier (PA), with 0.18um Semiconductor Manufacturing International Corporation (SMIC) CMOS technology by using Cadence software, for health care applications. The ultimate goal for such application is to minimize the trade-offs between performance and cost, and between performance and low power consumption design. This power amplifier can transmit 8.5 dBm output power to a 50Ω load. The power added efficiency is 8.2% at 1dB compression point and the power gain is 10dB, the total power consumption is 0.15W. The performance of the power amplifier meets the specification requirements of the desired.

Index Terms—two stage, class AB, power amplifier

Cite: Wei Cai, Liang Huang, and Wujie Wen, "SI-Based Class AB Power Amplifier for Wireless Medical Sensor Network," Journal of Image and Graphics, Vol. 5, No. 1, pp. 34-38, June 2017. doi: 10.18178/joig.5.1.34-38

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