发明名称 |
Step-controlled frequency synthesizer |
摘要 |
A method of controlling a frequency synthesizer and a frequency synthesizer having a controllable output signal frequency and including a direct digital synthesizer whose output signal is coupled to the input of a phase-locked loop. To reduce the settling time of the synthesizer, the direct digital synthesizer includes a control circuit for controlling the frequency of the direct digital synthesizer from a first frequency to a second frequency in accordance with predetermined frequency steps. |
申请公布号 |
AU8632498(A) |
申请公布日期 |
1999.03.01 |
申请号 |
AU19980086324 |
申请日期 |
1998.08.04 |
申请人 |
NOKIA TELECOMMUNICATIONS OY |
发明人 |
ANDRE DEKKER |
分类号 |
H03L7/08;H03L7/18;H03L7/185 |
主分类号 |
H03L7/08 |
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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