[time-nuts] Linear voltage regulator hints...

Bob Camp kb8tq at n1k.org
Tue Dec 9 18:10:54 EST 2014


Hi

> On Dec 9, 2014, at 11:57 AM, Dan Kemppainen <dan at irtelemetrics.com> wrote:
> 
> Hi All,
> 
> Thanks for the responses. I had a feeling the answer wouldn't be good, but was hoping someone would have a suggestion. There are currently a bunch of regulators in the 'system'. If there were some really good regulator out there, the shotgun approach would apply...
> 
> Of course it is difficult to provide a good reference and pass transistor on the same die, but it was worth asking.
> 
> 
> Bert,
> 
> The thought of temp control of the regulators crossed my mind. Not planning on going there unless I need to. But it was a thought, maybe if all else fails...
> 
> 
> Bob,
> 
> > There are more modern parts with lower close in noise. Linear Technology has a number of them. Your filter caps take out the broadband stuff, close in is all that really matters.
> >
> 
> Got any hints on which ones? Maybe a nice quiet regulator can be 'disciplined' with a better reference.

http://www.linear.com/product/LTC6655

I believe that if you are trying to regulate the entire OCXO supply, you are doing the wrong thing and chasing the wrong problem ….

Bob

> 
> Thanks,
> Dan
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.



More information about the time-nuts mailing list