... I discuss the transfer function of the voltage controlled oscillator ( VCO ), an essential component of the phase locked loop ( PLL ). ... <看更多>

各位前輩好, 小弟現在跑PLL整個系統模擬在鎖定時有些問題想請教下圖為Vtune以及PFD之up & dn波形圖http://ppt.cc/Zj8v KVCO值約為800M/V ... ... <看更多>

The output of the phase comparator is the same : the output of the "loop filter" is not. To achieve zero phase error, you need infinite gain ... ... <看更多>