| PWM技术在程控放大器设计中的应用 |
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| 引用本文： | 李从宏.PWM技术在程控放大器设计中的应用[J].南京工业职业技术学院学报,2011,11(2):29-30. |
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| 作者姓名： | 李从宏 |
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| 作者单位： | 南京工业职业技术学院 电气与电子工程学院,江苏 南京,210046 |
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| 基金项目： | 南京工业职业技术学院2009年科研项目(编号:QK2009-04-01) |
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| 摘 要： | 针对目前基于D/A转换器件、模拟开关或数字电位计的程控放大器设计硬件成本高、增加系统噪声的缺点,本文设计了采用PWM转D/A技术的程控放大器,提高了精度,节约了硬件成本,降低了系统噪声。
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| 关 键 词： | PWM 程控放大器 D/A |
The Application of PWM Technology in Programmable Gain Amplifier Design |
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| LI Cong-hong.The Application of PWM Technology in Programmable Gain Amplifier Design[J].Journal of Nanjing Institute of Industry Technology,2011,11(2):29-30. |
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| Authors: | LI Cong-hong |
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| Affiliation: | LI Cong-hong(Nanjing Institute of Industry Technology,Nanjing 210046,China) |
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| Abstract: | The paper deals with the shortcomings of high cost of hardware and the system noise of current programmable gain amplifier(PGA) design based on D / A converter device,analog switch,and digital potentiometer.In this paper,by using of PWM to D / A technology,a high precision and low-noise PGA is designed,which can save hardware costs and reduce the system noise. |
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| Keywords: | PWM Programmable Gain Amplifier D/A |
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