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混滤波器
    Development of an anti alias filter based on MAX293
    基于MAX293的抗混滤波器研制
    Development of an Anti Alias Filter Based on Switched Capacitor IC
    基于开关电容IC的抗混滤波器研制
    The action and demand of the anti alias filter in the system arerecounted. After analyzing the 8-order low pass elliptic switched capacitor filter (MAX293), the antialias filter is developed based on it.
    叙述了其中的抗混滤波器的作用与要求,并在分析8阶低通椭圆开关电容滤波器(MAX293)性能的基础上,研制了基于MAX293的抗混滤波器
    Specifically, the antialias filter based on a 8thorder low pas elliptic switched capacitor filter is recounted in detail. The programmable control amplifier and 4way A/D consisting of new high performance devices, and their work principles and characteristics are described.
    尤其详细叙述了采用8阶低通椭圆开关电容滤波器制作的抗混滤波器,对采用高性能新器件组成的程控放大器及4路A/D的工作原理和特点作了叙述。
    One of the key technique of the dynamic analyzer is designing an anti alias filter.
    信号分析仪的关键技术之一是抗混滤波器的研制。
    The action and demand of the anti alias filter in the system are recounted. After analyzing the switched capacitor IC-MAX290series filters,the anti alias filter is developed based on MAX293EPA. Espesially,the“resonance”phenomenon is analyzed theoretically and the analysis is proved by the experiment.
    叙述了其中的抗混滤波器的作用与要求,在分析开关电容IC-MAX290系列滤波器性能的基础上,研制了基于MAX293的抗混滤波器,尤其对遇到的"共振"现象作出了理论分析及实验证实,并予以解决。
    In order to divide the signal frequency band in detail and raise the frequency distinguish ability, the anti alias filter is made by using a integrated switched capacitor filter.
    为了对信号频率段进行细分 ,以提高频率分辨率 ,采用集成开关电容滤波器制作抗混滤波器
    Specifically, the “resonance” phenomenon is analyzed theoretically which is encountered in the making of anti alias filter by a 8th-order low pass elliptic switched capacitor filter. The analysis is proved by a experiment, and the “resonance” is avoided.
    尤其对采用 8阶低通椭圆开关电容滤波器制作抗混滤波器中遇到的“共振”现象作出了理论分析 ,并通过实验得到证实 ,且予以解决。
 

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