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Design of programmable precise power module
Author(s): 
Pages: 25-27
Year: Issue:  1
Journal: Practical Measurement Technology

Keyword:  应变测试 可编程电压基准 激励源选择电路 恒流源 恒压源;
Abstract: 为了解决在应变测量中需要的高精度、低干扰并具有相对大的驱动能力的激励源产生的问题。采用可编程基准源和驱动两级电路,通过可编程的DAC生成电压基准,再通过驱动电路,程控选择电压激励源和电流激励源的生成和输出。所设计的程控精密激励源具有体积小、精度高、功耗低、配置灵活的特点。实际应用表明,本设计达到了技术方案要求并已成功应用于实际的应变测量之中。
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