发明名称 |
Integrated clock generator tolerant to device parameter variation |
摘要 |
A method and circuit for stabilizing a frequency of a clock generator comprising a ring oscillator with respect to manufacturing process variations and a circuit temperature. A bias circuit comprising a current mirror and cascade circuits provides a compensated bias current based on a gate source voltage and drain source voltage of an output transistor, where the two voltages are independent of transistor parameters and circuit temperature. As a result, the ring oscillator frequency is stabilized with respect to those parameters.
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申请公布号 |
US7388447(B1) |
申请公布日期 |
2008.06.17 |
申请号 |
US20060472652 |
申请日期 |
2006.06.21 |
申请人 |
NATIONAL SEMICONDUCTOR CORPORATION |
发明人 |
POTANIN VLADISLAV;POTANINA ELENA |
分类号 |
H03B27/00 |
主分类号 |
H03B27/00 |
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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