[HomeBrew] Pll Idea, needs sanity check
Chris Trask
christrask at earthlink.net
Thu Apr 1 22:13:56 EDT 2010
<<SNIP>>
>
> One alturnative which still requires a uP, but not a programmable PLL
chip,
> is to mix down the VCO frequency low enough for the uP to count it and use
a
> programmable counter inside the uP to do the divider.
>
> 70's vintage CB's often used a PLL with extra inputs for the channel
> selection which would put them into the 10M band. Might be worth trying to
> find out if this is one of them or not. It is also possible that a rig of
> that vintage uses a different mixing scheme than the more modern ones I'm
> familer with.
>
See if this provides a solution:
http://www.home.earthlink.net/~christrask/Paper023.html
Chris
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