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基于AD603的程控增益放大电路设计
资料介绍
程控放大电路在数据采集系统有着广泛的应用。本文针对数据采集过程中通道多且信号弱的特点，设计出基于AD603的低噪声、电压控制型程控增益放大电路，并经过不断测试各通道中信号输入强度和调节放大倍数以满足ADC的输入要求，致数据采样成功。电路仿真验证结果满足A/D要求，该多通道放大器电路具有通用性。
The programmable amplification circuit is widely applied in data acquisition system.Aiming to characteristics of multi-channels and weak signal in data acquisition,this paper designed the Programmable Gain Amplification Circuit with a low noise and a controlled voltage on AD603,After continuous testing of signal input intensity and adjustment magnification in each channel to meet the input requirements of ADC,the data sampling is successful.The simulation results meet the requirements of A/D,and the multi-channel amplifier circuit is universal.
部分文件列表
| 文件名 | 大小 |
| 基于AD603的程控增益放大电路设计.pdf | 1M |
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