The other is low-IF complex filter. Because of the variance of the process and aging, the integrated filter must employ auto-tuning circuit to adjust its center frequency.
应用于射频系统内的低中频滤波器,在系统集成时,由于工艺容差和时间老化的原因,需要自适应电路对其中心频率调整。
参考来源 - 射频系统内低中频滤波器的设计和研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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