Bypass cap's

[Arthur Harrison]

I've always had good luck with 78xx and 79xx parts, but those little 78Lxx
and 79Lxx things have given me noise and stability problems on occasion.

-Art

-----Original Message-----
From: Edu Silva <edusilva at bahianet.com.br>
To: jhaible at metronet.de <jhaible at metronet.de>; DIY
<synth-diy at mailhost.bpa.nl>
Date: Sunday, December 27, 1998 5:36 PM
Subject: Re: Bypass cap's


>Juergen wrote:
>
>> I had a lot of problems with 7815 / 7915 on board regulators, and 7818 /
>> 7918
>> pre-stabilized PSU. Don't ask me why, but they failed all the time. (no
>> destruction,
>> but latching up in protection mode). I switched to RC4195's and all was
>> fine.
>>
>> JH.
>
>You know, some devices, like the 555, have the annoyng habit of inducing
>little glitches in supply lines, when changing states. The 78/79
>regulators, sensible as they are, may be interpreting this as a short, and
>bravely saving your beloved gear...
>
>Just a thought...
>
>Edu
>
>_____________________
>Edu Silva - ES2 Audio
>Salvador-Bahia-Brazil
>