You're not hardcore about electronics until you have a few burns here and there from chips, or at least from a soldering iron.
re: smoke
Last year our teacher pulled something on all the noobs in our class that always makes me chuckle. He explained how electronics components have smoke in them, and that it's put in at manufacture, and, once the smoke is out, you can't put it back in again, no matter how hard you try. One kid took the bait, and asked what the smoke was made from.
-ed
Haven Sole <haven_sole@...> wrote: yeah, i had the same exact problem when i built my first one. this is why i put a socket in the ic slot, so if i do burn one out, which has happened more than a few times, i can easily replace it. and yes, the ic did still heat up. one time to point it almost gave me a 1rst degree burn on my finger.
re: smoke
Last year our teacher pulled something on all the noobs in our class that always makes me chuckle. He explained how electronics components have smoke in them, and that it's put in at manufacture, and, once the smoke is out, you can't put it back in again, no matter how hard you try. One kid took the bait, and asked what the smoke was made from.
-ed
Haven Sole <haven_sole@...> wrote: yeah, i had the same exact problem when i built my first one. this is why i put a socket in the ic slot, so if i do burn one out, which has happened more than a few times, i can easily replace it. and yes, the ic did still heat up. one time to point it almost gave me a 1rst degree burn on my finger.
----- Original Message -----
From: Ryan Williams
To: cgs_synth@yahoogroups.com
Sent: Tuesday, February 07, 2006 10:51 PM
Subject: Re: [cgs_synth] Re: Synthacon filter - hum
c10h14no2i wrote:
> It is possible that while I was messing w/ it on my desk, trying to
> find the source of the hum that it touched a piece of metal and
> shorted something out.
I've done that before, with scraped leads, and meter or scope probes. I
also had a board that worked for about a week and a half, then a short
apeared and fried a few chips. It could be from a small metal burr that
almost was shorted before (probably not on ken's boards), or from some
solder that wasn't quite shorted but is now.
> I checked the voltage. I checked that +, -, and ground are all
> connected properly. I checked for any soldering mistakes, or any
> other scrap of solder or anything I could have shorted something out.
> The IC is still getting hot very quickly
If the IC let out smoke, replace it. I've noticed that sometimes they
will still heat up after that and sometimes not.
blowing the opamp does sound like a power problem.
-ryan
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