发明授权
- 专利标题： High speed fully differential resistor-based level formatter
- 专利标题（中）： 高速全差分电阻式电平格式化器
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申请号： US12898020申请日： 2010-10-05
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公开(公告)号： US08228108B2公开(公告)日： 2012-07-24
- 发明人: Hector Torres , Charles Parkhurst
- 申请人： Hector Torres , Charles Parkhurst
- 申请人地址： US TX Dallas
- 专利权人： Texas Instruments Incorporated
- 当前专利权人： Texas Instruments Incorporated
- 当前专利权人地址： US TX Dallas
- 代理商 Steven A. Shaw; W. James Brady; Frederick J. Telecky, Jr.
- 主分类号： H03K17/16
- IPC分类号： H03K17/16 ; H03K19/0175 ; G05F1/10
摘要：
A level formatter is provided that has differentially coupled closed loop current sources, each configured to precisely establish a current proportional to a reference voltage. A bridge circuit is differentially coupled to two supplementary current sources and controlled to rapidly switch the current from the supplementary current sources to produce output voltages at respective outputs that are approximately equal to respective one of two reference voltages.
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