DESIGN AND ANALYSIS OF INTEGRATED OPERATIONAL AMPLIFIER XD1531 WITH LOW NOISE AT LOW FREQUENCIES

被引：2
|
作者：
郝跃
姚立真
机构：
[1] Xidian University Xi’ an
[2] Xidian University Xi’ an
来源：
Journal of Electronics(China) | 1989年 / 04期
关键词：
Integrated circuit; Low noise; Operational Amplifier;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Principles of design are described for the low frequency integrated operationalamplifler XD1531 with low noise. The procedures of design of both the circuit structure and the tran-sistor shape are considered. The first stage of the circuit is designed with the methods of low noise atlow frequencies. The measures which decrease noises, especially, the 1/f noise originating .from thesemiconductor surface state and defects, are used for the transistor structure design. With analysisand comparison to products here and abroad in characteristics, it is shown that XD1531 has a lowernoise index at low frequencies than others, and the effectiveness of design methods for bringing lownoises have been demonstrated.
引用
收藏
页码：299 / 305
页数：7
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