| 1. | Study on design and simulation for switched capacitor filters
开关电容滤波器设计与仿真方法的研究 |
| 2. | The design of the switched capacitor filter is one of the research focuses in circuit and system
开关电容滤波器设计是电路与系统领域里的研究热点之一。 |
| 3. | Also thesis gives a code that can optimize the parameter of the switched capacitor filter when using the z - domain method
在设计的过程中，为z域法滤波器的参数的优化，设计了一个程序。 |
| 4. | Firstly , this thesis introduces the development of switched capacitor filters and basic principles of normal filters
本文首先介绍了开关电容滤波器的发展过程以及滤波器的基本原理和分类。 |
| 5. | There are two methods to realize the function of the switched capacitor filter : dual - two order method and z - domain method . this thesis emphasizes to introduce the two methods and realize the functions with the two methods
开关电容滤波器的实现方法主要有两种：双二阶法和z域法，本文着重介绍了这两种实现方法并分别用这两种方法对开关电容滤波器的功能进行了实现。 |
| 6. | In the switched capacitor filter circuit , the properties of the operational amplifier influences the whole circuit severely , so this thesis introduce a typical operational amplifier that has two orders and tests the main properties of it
开关电容滤波器中，运算放大器的性能对整个滤波器的性能有着较大的影响，因此本文介绍了一种典型的两级运算放大器的设计方法，并对该运算放大器的性能进行了测试。 |
| 7. | Frequency response , quantization noise , reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system , and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal , the effective resolution of the two adc systems is 0 . 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system
2对prqmf滤波器组adc系统的频响、量化噪声特性、重建误差特性以及重建误差对adc间的失配敏感性进行了理论分析研究，所得到的理论结果为： ( 1 )混合滤波器组adc系统与开关电容滤波器组adc系统的失真/混迭函数一致； ( 2 )无论输入宽带还是窄带信号，这两种adc系统的有效分辨率均比其adc提高了0 . 5log _ 2m比特； ( 3 )这两种adc系统的重建误差对其adc间的失配敏感性均明显低于时间交织adc系统。 |
| 8. | Continuous - time filter needn ’ t a / d switch , data processing , d / a switch technique and so on to finish filtering function with analog signal like digital filter . and it needn ’ t switch action to sample data in the discrete time with analog signal like switched capacitor filter . so continuous - time filter has several advantages , such as high processing speed , simple circuit configuration , and low power consumption
对每种方法都进行了详细的推导,总结了每种设计方法的设计步骤、适用场合,举例用每种设计方法对具体滤波器进行了电路设计、灵敏度特性分析、失真特性分析等,并用计算机仿真验证了电路方案。 |
