发明授权
- 专利标题： Analog multiplexer
- 专利标题（中）： 模拟多路复用器
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申请号： US929022申请日： 1978-07-28
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公开(公告)号： US4191856A公开(公告)日： 1980-03-04
- 发明人: Katsumi Nagano , Yasuo Taguchi
- 申请人： Katsumi Nagano , Yasuo Taguchi
- 申请人地址： JPX Kawasaki
- 专利权人： Tokyo Shibaura Denki Kabushiki Kaisha
- 当前专利权人： Tokyo Shibaura Denki Kabushiki Kaisha
- 当前专利权人地址： JPX Kawasaki
- 优先权： JPX52-91150 19770729
- 主分类号： H03K17/60
- IPC分类号： H03K17/60 ; H03K17/62 ; H04J3/04 ; H03K19/40
摘要：
Disclosed is an analog multiplexer in which a plurality of emitter follower differential amplifiers formed of several pairs of bipolar transistors connected in parallel with each other are connected in common to one terminal of a power source through a current mirror load circuit, and to the other terminal of the power source via a switch circuit and a constant-current source. The switch circuit is to connect the constant-current source selectively to the common conjunction of the emitters of each pair of emitter follower differential amplifiers.
公开/授权文献
- US5937035A Interswitch telephone status monitoring 公开/授权日：1999-08-10