发明名称 |
Frequency tuning for a phase locked loop. |
摘要 |
<p>Apparatus for setting up the tuning frequency of a phase locked loop is provided which utilises the voltage controlled oscillator of the phase locked loop itself. The apparatus includes signal translation circuitry which can provide a control voltage to the VCO of the phase locked loop dependent on a tuning voltage which is alterable in response to the frequency of the signal output by the VCO. <IMAGE></p> |
申请公布号 |
EP0645891(A1) |
申请公布日期 |
1995.03.29 |
申请号 |
EP19940306134 |
申请日期 |
1994.08.19 |
申请人 |
STMICROELECTRONICS LIMITED |
发明人 |
HORSFALL, WAYNE LESLIE;SHIPTON, GARY |
分类号 |
H03D3/24;H03L7/08;H03D3/02;H03L7/087;H03L7/113;(IPC1-7):H03L7/113 |
主分类号 |
H03D3/24 |
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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