发明名称 |
Phase frequency detector used in digital PLL system |
摘要 |
A phase frequency detector includes a phase error detector outputting a phase error signal according to a first input signal and a second input signal; a phase error judgment unit outputting a phase error judgment signal according to the first input signal and the second input signal; and a reset unit outputting a first reset signal to reset the phase error detector, and outputting a second reset signal to reset the phase error judgment unit, according to the phase error judgment signal.
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申请公布号 |
US7382163(B2) |
申请公布日期 |
2008.06.03 |
申请号 |
US20040820473 |
申请日期 |
2004.04.07 |
申请人 |
REALTEK SEMICONDUCTOR CORP. |
发明人 |
KUO YU-PIN;CHOU YU-PIN;TONG SHU-RONG |
分类号 |
G01R25/00;H03D13/00 |
主分类号 |
G01R25/00 |
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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