应变计传感器体内遥测技术

Proceedings of the ... Custom Integrated Circuits Conference. Custom Integrated Circuits Conference Pub Date : 1996-05-05 DOI:10.1109/CICC.1996.510562

J. Bégueret, R. Benbrahim, Zhiqun Li, F. Rodes, J.P. Dom

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引用次数: 1

摘要

研制了一种新型应变片桥接PPM(脉冲位置调制)变换器。它由斩波放大器和反馈回路中相关联的电压-时间转换器组成。该拓扑主要具有自动偏移抵消能力，比率传递函数和10位精度。因此，该转换器对偏移漂移不敏感，非常适合骨科植入物的长期监测。

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An intracorporal telemetry for strain gage transducer

A new strain gage bridge to PPM (Pulse Position Modulation) converter has been developed. It consists of a chopper amplifier and a voltage to time converter associated in a feed-back loop. This topology exhibits mainly an automatic offset cancellation capability, a ratiometric transfer function and an accuracy of 10 bits. Therefore, this converter is insensitive to offset drifts, and is well suited for long term monitoring of orthopedic implants.

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来源期刊

Proceedings of the ... Custom Integrated Circuits Conference. Custom Integrated Circuits Conference

CiteScore

3.80

自引率

0.00%

发文量