Analysis of the noise characteristics of current-feedback operational amplifier

被引：1
|
作者：
Palumbo, G [1 ]
Pennisi, S [1 ]
机构：
[1] Univ Catania, Dipartimento Elettr Elettron & Sistemist, I-95125 Catania, Italy
来源：
MICROELECTRONICS RELIABILITY | 2000年 / 40卷 / 02期
关键词：
Current-feedback operational amplifiers (CFOA) - Software package SPICE;
D O I：
10.1016/S0026-2714(99)00223-1
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：
The noise performance of Current-Feedback Operational Amplifier (CFOA) is investigated in this paper and a general noise model useful for both simulation and hand calculation is proposed. Comparison with the noise characteristics of conventional op-amps is also carried out showing comparable noise voltage and worst noise current for the CFOA. Some peculiar CFOA features, having no equivalence in conventional op-amps, are also highlighted. Finally, SPICE simulations based on a standard bipolar technology are found to be in a very good agreement with the theoretical results. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：321 / 327
页数：7
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