Feb 21, 2006 #1 M moorthi Member level 1 Joined Aug 29, 2005 Messages 34 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,600 All Digital PLL Hi all Please help me in implementing an all digital PLL using NCO. Is it required to used charge pump in ADPLL. If yes suggest me how can i about it. thanks in advance --moorthi
All Digital PLL Hi all Please help me in implementing an all digital PLL using NCO. Is it required to used charge pump in ADPLL. If yes suggest me how can i about it. thanks in advance --moorthi
Feb 21, 2006 #2 rfsystem Advanced Member level 3 Joined Feb 25, 2002 Messages 908 Helped 149 Reputation 294 Reaction score 38 Trophy points 1,308 Location Germany Activity points 9,548 Re: All Digital PLL If ADPLL mean a complete digital PLL there is an equivalent of a chargepump. That is a numerical integrator. It take the digital phase and generate integral and proportional feedback to the digital oscillator.
Re: All Digital PLL If ADPLL mean a complete digital PLL there is an equivalent of a chargepump. That is a numerical integrator. It take the digital phase and generate integral and proportional feedback to the digital oscillator.