New Bandpass Shadow Filters with Multi Feedback-Amplifiers

被引：0
|
作者：
Abuelma'Atti, Muhammad Taher [1 ]
Almutairi, Naif Radhi [1 ]
机构：
[1] King Fahd Univ Petr & Minerals, Box 203, Dhahran 31261, Saudi Arabia
来源：
JOURNAL OF ACTIVE AND PASSIVE ELECTRONIC DEVICES | 2020年 / 15卷 / 3-4期
关键词：
Current feedback operational amplifier; shadow filter; bandpass filter; FREQUENCY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents new electronically tunable bandpass filters. The electronic tuning of the center frequency of each filter can be achieved by adjusting the gain of one or more of the voltage-amplifiers connected in the feedback path of the proposed topology without disturbing the constituents of the filter itself; this results in a shadow filter. Experimental results obtained using the AD741 operational amplifier and the AD844 current-feedback operational amplifier are included.
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页码：215 / 222
页数：8
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