发明授权
- 专利标题： Differential amplifier circuit having low noise input transistors
- 专利标题（中）： 差分放大电路具有低噪声输入晶体管
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申请号： US715610申请日： 1996-09-18
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公开(公告)号： US5812022A公开(公告)日： 1998-09-22
- 发明人: Tetsuo Hirano , Ryuichirou Abe , Hiroaki Tanaka
- 申请人： Tetsuo Hirano , Ryuichirou Abe , Hiroaki Tanaka
- 申请人地址： JPX Kariya
- 专利权人： Nippondenso Co., Ltd.
- 当前专利权人： Nippondenso Co., Ltd.
- 当前专利权人地址： JPX Kariya
- 优先权： JPX7-244175 19950922
- 主分类号： H03F1/26
- IPC分类号： H03F1/26 ; H03F3/45
摘要：
A differential amplifier circuit whose noise is reduced when used in a CMOS operational amplifier without increasing its cost includes a differential input stage circuit in which gate lengths of load transistors and gate lengths of differential input transistors are set to an optimal ratio to minimize internal transistor noise components.
公开/授权文献
- US5107998A Tamper proof ring for threaded closures 公开/授权日：1992-04-28
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