[sdiy] 4046 VCO overclocking a PIC

Tom Wiltshire tom at electricdruid.net
Mon Aug 24 19:26:56 CEST 2015


One further question whilst on this topic:

What's the best thing to do with the inputs of the unused phase comparators?

Ground them? Leave them open?

Thanks,
Tom


On 24 Aug 2015, at 09:42, Paul Perry <pfperry at melbpc.org.au> wrote:

> On the subject of exotic uses of the 4046, it's worth noting that the
> inter-manufacurer variability of 4046s is pretty wide.
> Make sure you prototype with EXACTLY the brand you are going to use
> in the final product..
> 
> As for clocking PICs, i hae never understood why this isn't done more often,
> seeing how cheap the PIC is, and how difficult it can be to get the same result
> in software (though that might be because I'm more an analog guy..)
> 
> paul perry Melbourne Australia 
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