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Article #14529

Re: Help with a simple dc amplifier circuit

#14529
From: Michael Covington
Date: Sun, 15 Nov 1992 22:37
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If I understand you right, you want to get 12 volts out from something
that has a 9-volt power supply.

That's not an amplifier.  Amplifiers produce output voltages no higher
than the power supply voltage.

What you want is to convert the DC into AC, run it through a transformer
or a diode-capacitor voltage multiplier, and filter it back to get smooth
DC again.  That kind of circuit is called a DC-to-DC converter.

-- 
:-  Michael A. Covington     internet mcovingt@uga.cc.uga.edu 
:-  Artificial Intelligence Programs       phone 706 542-0358
:-  The University of Georgia                fax 706 542-0349
:-  Athens, Georgia 30602-7415 U.S.A.     amateur radio N4TMI
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From: mcovingt@aisun3.ai.uga.edu (Michael Covington)
Subject: Re: Help with a simple dc amplifier circuit
Message-ID: <1992Nov15.223701.1706@athena.cs.uga.edu>
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Date: Sun, 15 Nov 1992 22:37:01 GMT
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