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echo: cbm
to: INGO KORB
from: FRANK
date: 2016-03-16 08:54:00
subject: Re: C64 repair videos

Ingo Korb  wrote:
> frank  writes:
>
>> So, new PLL with different chips (available at mouser, digikey, anywhere).
>> Any PLL guru here? :-)
>
> Not a guru, but if you don't mind the slightly pricy chips and their
> need for lower voltages, the CDCE chips from TI may be worth a
> look. Programmable fractional PLL(s), multiple outputs with individual
> dividers, configured via I2C and an internal EEPROM to select a default
> configuration.

I've spent days looking at selection pages from various manufacturers, I
ruled out pretty much everything for one reason or another (no way to solder
with my equipment for example or the need to program it every time or
what else).
Feel free to suggest a specific part if you believe it would be good for this
job.
Anyway, I'm designing the PLL around an 'HC4046A, prototype should be
working by the next week if I get the design correctly.

Frank IZ8DWF

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