一种电信号处理电路，在输出中保留输入中特定频率 范围的有用信号，抑制其他频率的干扰信号或无用信 号。 从20世纪20年代到60年代，无源滤波器。 50年代人们已经认识到，用有源电路代替电感在减小 体积和降低成本方面具有潜在的优势

一、电能特点 电能具有转换容易、效率高、便于远距离输送和分配、有助于实现自动化等特点，在 生产和日常生活中，已得到广泛的利用

Optimal Design of CMAC Neural-Network Controller for Robot Manipulators Young H. Kim and Frank L. Lewis, Fellow, IEEE Abstract—This paper is concerned with the application of quadratic optimization for motion control to feedback control of robotic systems using cerebellar model arithmetic

Prototyping Analog Circuits Evaluation Boards Noise Reduction and Filtering for Switching Power Supplies Low Dropout References and Regulators EMI/RFI Considerations Sensors and Cable Shielding

High Speed Op Amp Distortion High Frequency Two-Tone Generation Using Spectrum Analyzers in High Frequency Low Distortion Measurements Measuring ADC Distortion using FFTs FFT Testing

ANALOG INTEGRATED CIRCUITS Amplifier Input Stage Overvoltage Amplifier Output Voltage Phase Reversal Understanding and Protecting Integrated Circuits from Electrostatic Discharge (ESD)

Data Acquisition System Considerations Multiplexing Filtering Considerations for Data Acquisition Systems SHA and ADC Settling Time Requirements in Multiplexed Applications Complete Data Acquisition Systems on a Chip Multiplexing into Sigma-Delta ADCs Simultaneous Sampling Systems

Fundamentals of Undersampling Increasing ADC SFDR and ENOB using External SHAs Use of Dither Signals to Increase ADC Dynamic Range Effect of ADC Linearity and Resolution on SFDR and Noise in Digital Spectral Analysis Applications Future Trends in Undersampling ADCs

ADC Dynamic Considerations Selecting the Drive Amplifier Based on ADC Dynamic Performance Driving Flash Converters Driving the AD9050 Single-Supply ADC Driving ADCs with Switched Capacitor Inputs Gain Setting and Level Shifting External Reference Voltage Generation ADC Input Protection and Clamping

HIGH RESOLUTION SIGNAL CONDITIONING ADCs Walt Kester, James Bryant, Joe Buxton The trend in ADCs and DACs is toward higher speeds and higher resolutions at reduced power levels. Modern data converters generally operate