一种高精度数控宽带直流放大器的设计与实现
发布时间：2019-06-20 20:04
【摘要】：提出一种高精度数控宽带直流放大器的设计方案。该方案基于超低功耗单片机MSP430F155控制平台开发,其中,压控增益宽带放大器的主体部分由THS7530、OPA820ID与THS3091D组成。控制平台可实现对THS7530的增益控制,输出终波幅值并显示结果;测试通频带为0~20 MHz;整机电压增益可调范围控制在-20~+80 dB范围内;在挂载时输出F-F值为29 V。在降低输出噪声与自激控制方面,使用多模抗干扰接触法,提升了数控宽带直流放大器控制性和稳定性。
[Abstract]:A design scheme of high precision CNC broadband DC amplifier is proposed. The scheme is based on the MSP430F155 control platform of ultra-low power single chip microcomputer, in which the main part of the voltage control gain broadband amplifier is composed of THS7530,OPA820ID and THS3091D. The control platform can control the gain of THS7530, output the amplitude of final wave and display the result; the adjustable range of voltage gain of the whole machine is controlled in the range of-20 ~ 80 dB, and the output F 鈮，
本文编号：2503495
[Abstract]:A design scheme of high precision CNC broadband DC amplifier is proposed. The scheme is based on the MSP430F155 control platform of ultra-low power single chip microcomputer, in which the main part of the voltage control gain broadband amplifier is composed of THS7530,OPA820ID and THS3091D. The control platform can control the gain of THS7530, output the amplitude of final wave and display the result; the adjustable range of voltage gain of the whole machine is controlled in the range of-20 ~ 80 dB, and the output F 鈮，
本文编号：2503495
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