Post by thread:[EE]: Power supply recommendations?

I'm looking for a +/-5 V power supply. I'd like to be able to run it off a 12 V battery, but at this point, even AC is an option. No problem, you're saying. Dozens, pick one. Here's the problem: the circuit is EXTREMELY sensitive to supply noise. Right now we're using a $2000 lab supply, which has <2 mV ripple. It works. I have managed to make a 5 mV ripple regulator, but it still isn't good enough. Has anyone any recommendations for me? Either something I can make, or an OTS unit to buy? Mike H. _________________________________________________________________ Tired of spam? Get advanced junk mail protection with MSN 8. http://join.msn.com/?page=features/junkmail -- http://www.piclist.com hint: To leave the PICList spam_OUTpiclist-unsubscribe-requestTakeThisOuTmitvma.mit.edu>

> I'm looking for a +/-5 V power supply. I'd like to be able to > run it off a > 12 V > battery, but at this point, even AC is an option. > > No problem, you're saying. Dozens, pick one. Here's the problem: the > circuit > is EXTREMELY sensitive to supply noise. Right now we're using a $2000 lab > supply, which has <2 mV ripple. It works. I have managed to make a 5 mV > ripple regulator, but it still isn't good enough. Umm, I think the most important detail you left out is current requirements, <2mV ripple is easy if all you need is 1mA! :) TTYL -- http://www.piclist.com hint: To leave the PICList .....piclist-unsubscribe-requestKILLspam@spam@mitvma.mit.edu>