Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!maverick.ksu.ksu.edu!umriscc!mcs213k.cs.umr.edu!robf From: robf@mcs213k.cs.umr.edu (Rob Fugina) Newsgroups: sci.electronics Subject: Re: 12 to 9 volts dc Message-ID: <2287@umriscc.isc.umr.edu> Date: 27 Feb 91 19:58:22 GMT References: <4591@ash17.UUCP> Sender: news@umriscc.isc.umr.edu Organization: University of Missouri - Rolla Lines: 20 In article <4591@ash17.UUCP> dunne@motcid.UUCP (Jim E. Dunne) writes: >From article , by erk@americ.UUCP (Erick Parsons): >> Get a 9V regulator chip ! I mounted one for my Watchman TV (actually 6V) into > Can you provide part numbers and makers? When I was investigating Try 7809 for a +9v regulator. > "adjustable" ones, but I operate on the KISS principle when it comes What's the "KISS" principle? > problem that is the subject of this thread. Why do they only seem to > make those screwy values when all my DC items are 3, 6, and 9 volts??? > Thanks for the circuit, anyway. Why 3, 6, and 9? Because that's what corresponds to 2, 4, and 6 1.5 volt batteries... BUT, the values I've seen for voltage regulator chips are 5, 9, 12, 15, 18, and 24... Rob robf@cs.umr.edu