who can tell me the principle of pll

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diode_4001

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who can tell me the principle of pll?
 

yeah, i need it, too...
pls upload any block diagram with matching explanation of it...
thanks in advance.
regards...
 

Phase-Locked Loop Tutorial
**broken link removed**

PLL links
http://www.circuitsage.com/pll.html

Phase-Locked Loops: A Control Centric Tutorial
**broken link removed**

The CD4046 datasheet is good PLL source also
 

Hi

Behzad Razavi's book on "Design of Analog CMOS Integrated circuits" or the "RF Microelectronics" one has a very powerful and sweet chapter on principals of PLL. I refer you all to take a look on it.
 

hi
the heart of pll is a voltage controlled oscillator which generates a frequency depending upon the difference between its own frequency and a refrence frequency both the frequencies to be compared are fed to a circuit called phase frequency detector which generates a error voltage called control voltage of VCO

if u want a detailed study of pll u should download the book of F.M.Gardner which is availabe for download on eda board
 

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