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Updated: Jul 19, 2025

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
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一个高能效的机身合收发器,采用电源按需放大器

Tao He1, Yabin Zheng1, Xu Liang1

  • 1Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, China.

Cyborg and bionic systems (Washington, D.C.)
|August 10, 2023
PubMed
概括

本研究引入了可穿戴传感器的自适应功率收发器,通过调整功耗以应对可变通道损失,显著提高能源效率. 这一创新增强了身体传感器网络的可靠数据传输.

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Maximum Power Transfer01:16

Maximum Power Transfer

Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
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MOSFET Amplifiers

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BJT Amplifiers

Bipolar Junction Transistors (BJTs) are pivotal components in amplifier circuits, functioning as voltage-controlled current sources in their active region. This characteristic allows them to efficiently control the collector current through variations in the base-emitter voltage. Essentially, BJTs amplify power due to their ability to take a weak input signal and output a much stronger signal.
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MOSFET: Enhancement Mode

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