[time-nuts] Using the LT3042

[Bruce Griffiths]

Like virtually all low dropout regulator ICs the LT3042 is quite noisy at frequencies below its reference low pass filter high frequency cutoff. Some zener based references are considerably quieter in this region.

Bruce
  
> On 10 July 2019 at 18:18 Perry Sandeen via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> Yo Bubba Dudes!,
> The LT3042 seems to be a wonderful part.  But having learned a long time ago the it wasn't wise to gold plate a Yugo, so when are there diminishing returns?
> For example I have several HP 10811 oscillators. one is in a HP5335a counter that I'd like to make as stable as reasonably possible. Another HP10811 needs a power supply.   Also several Lucent XO OCXO's.
> So where is it practical to hack for better results and when do you use some not -as -wonderful regulator chips that come in a much easier to use dip package for a power supply upgrade?
> Regards,
> Perrier
> 
> 
> 
> 
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com
> and follow the instructions there.