In order to reduce the lock time of PLL, the frequency limiting circuit is introduced to this VCO. In order to provide a full swing of frequency source, a shaping circuit is introduced in this VCO.
特别地,为了减少PLL的锁定时间,在偏置电路中引入限频电路;为了给PLL提供全摆幅的是信号,在VCO的输出电路后设计了整形电路。
参考来源 - 电荷泵锁相环的压控振荡器设计·2,447,543篇论文数据,部分数据来源于NoteExpress
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