https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013106657&signature=c1045a72144cecc130ff1f6f94bc404e&articleTitle=Operational+Amplifier+Noise&articleAuthor=Kay%2C+Art&publicationTitle=Operational+Amplifier+Noise&language=&publicationType=1&publishYear=2012&isn=9780750685252&publisher=