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 paper introduces the design of a 2.4GHz class D power amplifier which consists of two stage amplifiers. This power amplifier can transmit 15dBm output power to a 50 � load. The power added efficiency was 50% and the total power consumption was 90.4 mW. The performance of the power amplifier meets the specification requirements of the desired.
Highlights
Wireless medical sensor networks have offered significant improvements to the healthcare industry in the 21st century, technology changes our life at everywhere[1][2][3][4]
The proposed Class D amplifier has low output power and good linearity based on the IEEE 802.11b communication protocol
This paper describes the method of designing and simulating power amplifier using cadence software based on SIMC CMOS process 180nm technology
Summary
Wireless medical sensor networks have offered significant improvements to the healthcare industry in the 21st century, technology changes our life at everywhere[1][2][3][4]. Devices are arranged on a patient’s body and can be used to closely monitor the physiological condition of patients [5][6][7][8][9][10][11][12][13] These medical sensors monitor the patient’s vital body parameters, such as temperature, heart rate, blood pressure, oxygen saturation, and transmit the data to a doctor in real time [2]. The benefit for the patients is that they do not need to frequently visit the hospital, patients could reap time and money savings. Such wireless medical sensors will continue to play a central role in the future of modern healthcare. A sensor node is capable of gathering sensory information, processing it in some manner, and communicating with other nodes in the network[2]
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