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文章介绍了一种电话录音机综合测试仪器的设计方案，以满足电话录音机生产厂家的生产测试需要。文章从技术指标、电路原理，到硬件电路设计和软件程序设计都作了比较全面的分析研究。
This paper introduces a telephone recorder integrated test equipment design to meet the telephone recording machine manufacturer’s production testing needs. Articles from the technical indicators, circuit theory, to the hardware circuit design and software programming have made a more comprehensive analysis.