Re: [sdiy] +-12V supply

[Scott Gravenhorst]

=?iso-8859-2?Q?Roman?= <modular at go2.pl> wrote:
>if putting 723 instead of 7812 is an overkill, how would you call 
>someone who made 1.5A power supply using regular opamps, 
>darlington transistors, lots of other components, and 10ppm/K 
>reference IC, where LM317/337 would be more than enough? 
>
>You're right, a crazy maniac.
>But I just wanted it so bad.
>
>BTW, IMHO 78xx and 79xx suck
>
>Roman

Hmm.  Well, everyone is entitled to an opinion, I use 78xx and 79xx
and I don't have problems with them.  I just don't hear the noise
that they're supposed to make.  Not only do I use these nasty 3 
terminal regulators, I use them with AC wallwarts and halfwave 
rectifiers.

>
>---- Wiadomo¶æ Oryginalna ----
>Od: "Roy J. Tellason" <rtellason at blazenet.net>
>Do: synth <synth-diy at dropmix.xs4all.nl>
>Data: Thu, 13 Jan 2005 20:50:36 -0500
>Temat: Re: [sdiy] +-12V supply
>
>> On Thursday 13 January 2005 06:55 pm, Chris CROSSKEY wrote:
>> >  Toss out the 7812/7912 and use a 723 on each side with a big bypass
>> > transistor.....
>> 
>> Why,  if the simpler setup will do what you need?  Did I miss something there 
>> that indicated a massive current draw requirement or something?
>> 
>
>

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