I`ve always wondered about noise from batteries - please tell us more Bruce!! [....also wondered about noise from the electrolytic action of aluminium, and tantalum electrolytic capacitors, and wondered if the reference bypass capacitor in a 723 should be a plastic dielectric type, rather than electrolytic]......... .......................................................Don C.
----- Original Message ----- From: "Bruce Griffiths" <[EMAIL PROTECTED]> To: "Discussion of precise time and frequency measurement" <[email protected]> Sent: Saturday, October 27, 2007 1:57 PM Subject: Re: [time-nuts] Parallel voltage regulators > ); SAEximRunCond expanded to false > Errors-To: [EMAIL PROTECTED] RETRY > > Tom Clifton wrote: >> This has been a fascinating and educational thread! I >> have always been aware of noise coming from switching >> regulators - just have Argo or Speclab look at your >> laptop's sound card with "no input" signal and there >> is plenty to look at until you go to battery power. >> >> I had never considered diode switching noise in linear >> supplies, nor birdies from an assortment of logic >> devices - though I am a believer in healthy >> distribution of bypass capacitors... >> >> Now if Sears only sold Diehard batteries that put out >> 3.3 volts... >> > Even batteries have noise, some types have more than others. > > Bruce > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
