The body surface sinus node electrogram (SNEb) was recorded in 116 young healthy students by using programme double time constant amplifier.

采用程控双时值放大器非叠加实时检测法，检测116例健康大学生的体表窦房结电图。

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This article introduces the basic principle of the programme control amplifier controlled by 8031 single chip microcomputer and the design thought of the system hardware and software.

本文介绍了一种由8031单片机系统控制的程控的放大器的基本原理和硬件与软件设计思想。

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Has proposed a programme-controlled scheme in the sensitivity throw-over of charge convert and gain throw-over of output amplifier;

在电荷转换部分的灵敏电容的切换和输出放大级的增益切换电路的实现上提出了程控的方案；

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