How to do PFD simulation ?

gavin168 · Sep 30, 2007

how to simulate PFD, it is necessary to simulate with charge pump circuit？

thanks

finalvolition · Sep 30, 2007

simulation about PFD

yes, it usually simulated with charge pump circuit combined. such as reset delay

northeast1 · Sep 30, 2007

Re: simulation about PFD

gavin168 said:
how to simulate PFD, it is necessary to simulate with charge pump circuit？

thanks

give two clock with same frequency but different phase, and you can see the voltage of cap will increase.