汪重光Hong, M. C.M. C.HongWu, W. C.W. C.WuWang, C. K.C. K.Wang2009-04-272018-07-102009-04-272018-07-101996-02http://ntur.lib.ntu.edu.tw//handle/246246/153872en-USA Switched-Capacitor Frequency Auto-Tuned 7-MHz Fourth-Order Butterworth Lowpass Filterjournal article