| 发明名称 |
FPLL having AFC filter with limited phase shift |
| 摘要 |
An AFC filter for an FPLL comprises a filter formed of a network of resistors and capacitors exhibiting a predetermined phase response characteristic. The phase response characteristic is limited with increasing frequency to a value of about 90 DEG during a start-up interval.
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| 申请公布号 |
US5638140(A) |
申请公布日期 |
1997.06.10 |
| 申请号 |
US19950345886 |
申请日期 |
1995.01.27 |
| 申请人 |
ZENITH ELECTRONICS CORPORATION |
发明人 |
KRISHNAMURTHY, GOPALAN;MYCYNEK, VICTOR G.;SGRIGNOLI, GARY J. |
| 分类号 |
H03D1/22;H03D3/00;H03G3/20;H03J7/02;H03L7/10;H04L27/02;H04N5/44;H04N5/455;H04N5/50;H04N7/24;(IPC1-7):H04N5/50 |
主分类号 |
H03D1/22 |
| 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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