发明名称 |
Balanced Single-Ended Impedance Control |
摘要 |
A balanced single-end impedance control system is disclosed. In a particular embodiment, the circuit includes a first transistor coupled to a first output terminal and a second transistor coupled to a second output terminal. The circuit also includes a third transistor and a fourth transistor, where device characteristics of the third transistor substantially match device characteristics of the first transistor and device characteristics of the fourth transistor substantially match device characteristics of the second transistor. The circuit further includes a first control path and a second control path. The first path is coupled to the third transistor and provides a first rail voltage to control a first gate control voltage of the first transistor. The second control path is coupled to the fourth transistor and provides a second rail voltage to control a second gate control voltage of the second transistor. The impedances of the first and second transistors may be controlled by the first gate control voltage and the second gate control voltage respectively.
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申请公布号 |
US2013033287(A1) |
申请公布日期 |
2013.02.07 |
申请号 |
US201113197128 |
申请日期 |
2011.08.03 |
申请人 |
QUALCOMM INCORPORATED;LI MIAO;DANG NAM V.;KONG XIAOHUA |
发明人 |
LI MIAO;DANG NAM V.;KONG XIAOHUA |
分类号 |
H03K19/003;G06F17/50 |
主分类号 |
H03K19/003 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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