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首页> 外文期刊>IEEE Journal of Solid-State Circuits >Low-voltage electronics for the stimulation of biological neural networks using fully complementary BiCMOS circuits
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Low-voltage electronics for the stimulation of biological neural networks using fully complementary BiCMOS circuits

机译:使用完全互补的BiCMOS电路刺激生物神经网络的低压电子设备

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摘要

This paper describes low-voltage neural stimulating circuitry developed using fully complementary BiCMOS (FC-BiCMOS) process technology for providing charge-balanced bipolar stimulating currents to tissue in the central nervous system. The electronics features an FC-BiCMOS buffer, a 7-b biphasic current-output digital-to-analog converter, a 14-b frequency divider, a nonoverlapping two-phase clock generator, and an auto timeout safety scheme while driving any two of eight selected sites from 0 to /spl plusmn/126 /spl mu/A with /spl plusmn/2 /spl mu/A resolution. The circuit area is 1.6 mm/sup 2/ in 3-/spl mu/m features. Micropower circuit techniques allow the probe to dissipate >10 /spl mu/W in standby and operate at 10 MHz from /spl plusmn/2.5 V supplies.
机译:本文介绍了使用完全互补的BiCMOS(FC-BiCMOS)工艺技术开发的低压神经刺激电路,该电路技术可为中枢神经系统的组织提供电荷平衡的双极刺激电流。这些电子器件具有一个FC-BiCMOS缓冲器,一个7b双相电流输出数模转换器,一个14b分频器,一个不重叠的两相时钟发生器以及一个自动超时安全方案,同时驱动以下任意两个从0到/ spl plusmn / 126 / spl mu / A的八个选定站点,分辨率为/ spl plusmn / 2 / spl mu / A。电路面积为1.6 mm / sup 2 / in 3- / spl mu / m功能。微功耗电路技术可使探头在待机状态下耗散> 10 / spl mu / W,并通过/ spl plusmn / 2.5 V电源以10 MHz的频率工作。

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