Chen-Ming Hsu, Chien-Ming Lee, Tzong-Chee Yo, C. Luo
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引用次数: 11
摘要
介绍了一种独特的植入式测量生物遥测系统，该系统利用低功耗BPSK发射机、用于信号上转换的射频终端芯片和接收器。人体使用的频段是FCC分配给医疗植入通信系统(MICS)的未经许可的402-405 MHz频段，2.4GHz的ISM频段用于空中传输。该系统具有40个通道，带宽75k，发射机输出功率低，易于集成，适合植入式应用。采用电流复用技术和级联码结构实现了高增益、低噪声系数的低噪声放大器。该芯片采用台积电0.18 μ m 1P6M CMOS工艺设计制造。
The low power MICS band biotelemetry architecture and its LNA design for implantable applications
The exclusive biotelemetry system for implantable measurement utilizing a low-power BPSK transmitter, RF terminal chip for signal up-conversion and receiver is presented. The frequency band used in the human body is the un-licensed band at 402-405 MHz allocated to medical implant communication systems (MICS) by FCC and the ISM band at 2.4GHz is used for transmission in the air. This system has following characteristics: 40 channels with 75k bandwidth, low output power in transmitter and easily be full-integrated that are suitable for implantable applications. The low noise amplifier (LNA) with current reuse technique and cascode structure for high gain and low noise figure is implemented in this paper. The chip is designed and fabricated in TSMC 0.18 mum 1P6M CMOS technology.
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