现代电子技术2011，Vol.34Issue(6)：157-159,3.
可变带宽OTA-C连续时间低通滤波器设计
Design of Variable-bandwidth OTA-C Continuous-time Low-pass Filter
周德福 1张勇虎 1葛锐 1戴冲2
作者信息
- 1. 国防科学技术大学,电子科学与工程学院,卫星导航研发中心,湖南,长沙,410073
- 2. 武警云南森林总队,云南,昆明,650011
- 折叠
摘要
Abstract
A fully integrated wideband variable-bandwidth IF low-pass filter is presented. The structure, design and implementation of the continuous-time OTA-C filter are discussed and analyzed. The external circuit design and simulation are used by the software of ADS. The simulation results show that the filter tuning range of-3 dB bandwidth of 1 MHz～ 26 MHz, stop-band rejection rate of greater than 35 dB, and the pass-band ripple less than 0. 5 dB, with 2. 8 V power supply,TSMC 0. 18 μm CMOS technology library of simulation, power consumption is less than 21 mW, frequency response curve close to the ideal state.关键词
Butterworth滤波器/连续时间/电流模式/跨导运算放大器分类
信息技术与安全科学引用本文复制引用
周德福,张勇虎,葛锐,戴冲..可变带宽OTA-C连续时间低通滤波器设计[J].现代电子技术,2011,34(6):157-159,3.
