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- Path: sparky!uunet!mcsun!sunic!chalmers.se!news.chalmers.se!dtek.chalmers.se!d1temp
- From: d1temp@dtek.chalmers.se (Michael Tempsch)
- Newsgroups: sci.electronics
- Subject: Re: 12 V -> 3V, 0.6 A
- Message-ID: <d1temp.721464879@dtek.chalmers.se>
- Date: 11 Nov 92 06:54:39 GMT
- References: <1992Nov9.231617.28042@b30.ingr.com> <1992Nov10.161358.5509@ms.uky.edu>
- Sender: news@news.chalmers.se
- Organization: Chalmers University of Technology, Gothenburg Sweden
- Lines: 35
- Nntp-Posting-Host: hacker.dtek.chalmers.se
-
- msunde01@mik.uky.edu (Mark Underwood) writes:
- >I hate to throw a bucket of cold water on everything, especially in a
- >newsgroup full of people who just LOVE to design their own gadgets, but
- >wouldn't it be easier to get a cigarette-lighter power adaptor for about
- >$10 or so from an electronics store like (dare I mention the R-S phrase?)
- >or somewhere, or, heaven forbid, get the one the manufacturer recommends
- >and save your warrantee?? Caveat: I tried to find a SONY adaptor for my
- >SONY discman, and have yet to find a place that can keep them in stock
- >long enough . . .. I ended up with the R-S model, and rigged a "pigtail"
- >plug adaptor using the plug from my A-C adaptor (since the plug on SONY is
- >non-standard) and fixed it so I could switch the pigtail from the AC to
- >the DC adaptors. It works, though I admit it took all the fun out of
- >devising a solution . . ..
-
- >Feeling bad for suggesting store-bought goods in a home-built newsgroup,
- >I am
-
- >--
- >Mark Underwood
- >EE Student, University of Kentucky
- >Lab Assistant, UK Library Microlabs
- >Internet address: msunde01@mik.uky.edu
-
- Ever looked inside one of the original converters?
- I have one, it has 7 1N4001 diodes i series... (the CD wants 5-7 V in)
- Most batteryoperated devices aren't that touchy about input voltage,
- there is a small ;-} difference in battery voltage between fresh batteries
- at standby and almost dead at full output...
-
-
-
- --
- | BTW, all electronic components | d1temp@dtek.chalmers.se |
- | run on smoke. If you let the smoke out, | In real life |
- | they won't work anymore. | Michael Tempsch |
-