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Article #3649

Re: Advice on CD player mods (pwr supply)

#3649
From: "If you have to ask, then you do...
Date: Wed, 08 Nov 1989 21:24
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In article <30864@obiwan.mips.COM> mark@mips.COM (Mark G. Johnson) writes:
>It's usually the case that the circuit can tolerate 250mA more current;
>for a 15V supply that's a 60 ohm, 4 Watt resistor.

I guess it's obvious that you shouldn't do this unless you can mount the
resistor where it won't heat up the CD player guts.

>(4) Decoupling capacitors on the regulator output
>
>   These are examples of "if some is good, more is better" brute-force
>application.  Be sure to check the final design with an oscilloscope
>to insure there's no instability or parasitic oscillation.

Be sure to a provide discharge diode so you don't mess up your nice
regulator when you turn the power off.

-- 
David DiGiacomo, Sun Microsystems, Mt. View, CA  sun!david david@eng.sun.com
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References: <9705@june.cs.washington.edu> <30864@obiwan.mips.COM>

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From: david@sun.com ("If you have to ask, then you don't have it.")
Newsgroups: sci.electronics
Subject: Re: Advice on CD player mods (pwr supply)
Message-ID: <127595@sun.Eng.Sun.COM>
Date: 8 Nov 89 21:24:46 GMT
References: <9705@june.cs.washington.edu> <30864@obiwan.mips.COM>
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