IEEE Biomedical Circuits and Systems Conference : healthcare technology : [proceedings]. IEEE Biomedical Circuits and Systems Conference最新文献

英文中文

A Low-power CMOS BFSK Transceiver for Health Monitoring Systems. 用于健康监测系统的低功耗CMOS BFSK收发器。

IEEE Biomedical Circuits and Systems Conference : healthcare technology : [proceedings]. IEEE Biomedical Circuits and Systems Conference

Pub Date : 2011-01-01 DOI: 10.1109/BioCAS.2011.6107751

Sungho Kim, William Lepkowski, Seth J Wilk, Trevor J Thornton, Bertan Bakkaloglu

A CMOS low-power transceiver for implantable and external health monitoring devices operating in the MICS band is presented. The LNA core has an integrated mixer in a folded configuration to reuse the bias current, allowing high linearity with a low power supply levels. The baseband strip consists of a pseudo differential MOS-C band-pass filter achieving demodulation of 150kHz-offset BFSK signals. An all digital frequency-locked loop is used for LO generation in the RX mode and for driving a class AB power amplifier in the TX mode. The MICS transceiver is designed and fabricated in a 0.18μm 1-poly, 6-metal CMOS process. The sensitivities of -70dBm and -98dBm were achieved with NF of 40dB and 11dB at the data rate of 100kb/s while consuming only 600μW and 1.5mW at 1.2V and 1.8V, respectively. The BERs are less than 10^-3 at the input powers of -70dBm at 1.2V and -98dBm at 1.8V at the data rate of 100kb/s. Finally, the output power of the transmitter is 0dBm for a power consumption of 1.8mW.

介绍了一种低功耗CMOS收发器，用于在MICS波段工作的可植入和外部健康监测设备。LNA核心具有折叠配置的集成混频器，可重复使用偏置电流，从而在低电源水平下实现高线性度。基带带由一个伪差分MOS-C带通滤波器组成，实现对150khz偏置BFSK信号的解调。一个全数字锁频环路用于在RX模式下产生LO，并用于在TX模式下驱动AB类功率放大器。MICS收发器采用0.18μm 1聚6金属CMOS工艺设计和制造。在数据速率为100kb/s、NF为40dB和11dB时，灵敏度分别达到-70dBm和-98dBm，而在1.2V和1.8V电压下，功耗分别为600μW和1.5mW。当输入功率为-70dBm (1.2V)和-98dBm (1.8V)，数据速率为100kb/s时，ber小于10-3。最后，发射机输出功率为0dBm，功耗为1.8mW。

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引用次数: 12

Integrated magnetic array for bio-object sensing and manipulation 用于生物物体传感和操纵的集成磁阵列

IEEE Biomedical Circuits and Systems Conference : healthcare technology : [proceedings]. IEEE Biomedical Circuits and Systems Conference

Pub Date : 2010-11-01 DOI: 10.1109/BIOCAS.2010.5709571

T. A. Faisal, M. Fathi

Magnetic molecular-level interrogation, manipulation, and diagnosis are emerging as lab-on-chip platforms. These platforms entail low-cost, low-power, portable, and high efficiency integrated implementations. We introduce an all-integrated programmable 16×16 magnetic coil array chip for sensing and actuating small single bio-objects or collaboratively manipulating larger ones. The die-size is 1.5×1.5mm2 designed in bulk 0.5μm CMOS technology. The integrated design does not require any external magnetic source. It relies on the Hall effect generated by the smallest permissible vertical coil inductors (in this reported technology, the smallest inductor's planar area is 6μmx6μm). The coil array is selectively and dynamically controlled. Each cell, composed of the coil and its logical control circuitry, can detect small objects in the order of 1μm diameter as well as emit eight programmable magnetic field levels for manipulation. All array sensing and driving components are shared to reduce the overall imprint. Also, they are tuned to work at 900MHz incorporating high-speed serial row/column switching for seamless pseudoparallel operation.

磁性分子水平的询问、操作和诊断正在作为芯片上的实验室平台出现。这些平台需要低成本、低功耗、便携和高效的集成实现。我们介绍了一种全集成可编程16×16磁线圈阵列芯片，用于传感和驱动小型单个生物物体或协同操纵大型生物物体。芯片尺寸为1.5×1.5mm2，采用批量0.5μm CMOS技术设计。集成设计不需要任何外部磁源。它依赖于最小允许的垂直线圈电感产生的霍尔效应(在本技术中，最小的电感的平面面积为6μmx6μm)。该线圈阵列具有选择性和动态控制。每个单元由线圈及其逻辑控制电路组成，可以检测直径1μm左右的小物体，并发出8个可编程磁场电平以供操作。所有阵列传感和驱动组件是共享的，以减少整体印记。此外，它们被调谐到900MHz工作，结合高速串行行/列交换，实现无缝伪并行操作。

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引用次数: 2

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