It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
This paper introduces a sort of program-controlled-gain technology, which makes use of DAC0832. The amplifier has good control and linear characteristic.
介绍了一种实用的程控增益技术，该技术利用DAC0832作为程控增益放大器，具有良好的控制特性，线性度好。
A way of controlling the voice volume in a wide range with program-control amplifier, the hardware circuit and constructing method of software are given.
采用程控放大器对音量进行宽范围控制，提供了具体硬件电路并指出了软件构成方法。
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