Hi Nigel goodwin..
I learned that the divider ICs must be programmed to set the ratio. But we cant be using this forms of dividers, since we should be able to adjust the output of the synthesizer by tuning the device (which we suppose to build) on the spot. Can you fill me more about how the frequency divider can be formed using a microcontroller?
By reload, do you mean reload a new divider ratio?The programmable divider goes through a cycle where it re-loads itself every so-many (10 or less) cycles of input.
What are these parallel inputs? are they just simply high voltage levels?This re-loading is done from the parallel inputs automatically by the divider chip.
What do you mean by parallel inputs to a different bcd number?So changing the frequency of the synthesizer is as simple as changing the parallel inputs to a different bcd number by changing the switches.
Perhaps you might consider buying a book about PLL's?
I have an excellent one, and it's here on Amazon
Amazon.com: Design of Phase-Locked Loop Circuits With Experiments: Howard M. Berlin: Books
I recommend it highly.
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?