Unfortunately, batteries are not a practical alternative here. ----- Original Message ----- To: "Multiple recipients of list CHIPDIR-L" <[email protected]> Sent: Sunday, September 18, 2005 6:35 PM
>> I have a little circuit that runs off the 12 volt power supply in a > vehicle. >> Part of the circuit needs a bipolar supply, and I was planning to use one > of >> the cute little DC / DC converters to output maybe 5 watts off + and - 15 >> volt DC. The converter I have selected has a PI filter on the input, >> accepts a wide input range (8-18 Volts), and is regulated. My question >> is >> whether alternator hash will be a problem, Will I need a choke and >> capacitor on the front end of this gizmo like we used to put on car >> radios >> and the like? Or will the converter do its job OK with raw vehicle DC? > > I would dump the whole thing and use a pair of 9-volt batteries if I > could. > ?? > > -=-=-=-=-=- "http://www.dibsplace.com/design/"; -=-=-=-=-=- > DIBs Electronic Design | Dave Baldwin > Adapt and overcome. | Buy a book and read it. > -=-=--=-=--=-=--=-=--=-=-=-=--=-=--=-=--=-=--=-=--=-=-=-=- > > -- > Author: Dave Baldwin > INET: [EMAIL PROTECTED] > > Fat City Hosting, San Diego, California -- http://www.fatcity.com > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Author: Syd H. Levine INET: [EMAIL PROTECTED] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
