Article View: sci.electronics
Article #15467Substituting fsuppli
From: NEIL GANDLER
Date: Mon, 28 Dec 1992 17:04
Date: Mon, 28 Dec 1992 17:04
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1121 bytes
Im making a small device to produce in small amounts and found a deal
for 12v 200ma dc adapters at only 95 cents a piece from parts express.
Its rated at 200 ma which is more than my circuit needs. My only problem
is that its replacing a 17vdc and a 7812 regulater chip which provides
quite a stable 12 volts. Im also using a 470uF capacitor for filtering.
Are DC adapters pretty regulated on their own. If I dont exceed the
amperage can I be sure that the output voltage will notmuch below
12 volts even if I continue to use the filter capacitor. I would appreciate
any help. This would save me over $1 $10 iich could add up.ld add up.
Neil Gandler
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Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!uwm.edu!rutgers!ub!acsu.buffalo.edu!ubvmsb.cc.buffalo.edu!v064mb9k From: v064mb9k@ubvmsb.cc.buffalo.edu (NEIL GANDLER) Newsgroups: sci.electronics Subject: Substituting fsuppli Message-ID: <BzzBDz.G00@acsu.buffalo.edu> Date: 28 Dec 92 17:04:00 GMT Sender: nntp@acsu.buffalo.edu Organization: University at Buffalo Lines: 14 News-Software: VAX/VMS VNEWS 1.41 Nntp-Posting-Host: ubvmsb.cc.buffalo.edu