Should be easy to make a test setup (it would take just a minute)
Dg9bfc
Sigi
> -----Ursprüngliche Nachricht-----
> Von: Amateur-repairs@yahoogroups.com [mailto:Amateur-
> repairs@yahoogroups.com] Im Auftrag von Jim
> Gesendet: Dienstag, 29. Oktober 2013 23:06
> An: Amateur-repairs@yahoogroups.com
> Betreff: Re: [Amateur-repairs] Test jigs for potentiometers, TO-220
> devices?
>
>
>
> Hi Todd
>
> I don't need an automated tester for the voltage regulators. I can live
> with a toggle switch to change between fixed and variable regulators, and
> a pair of meters for volts and amps. And maybe a switchable load.
>
> More important is the mechanism to clamp onto the leads. A heatsink clamp
> isn't necessary, since I won't run these at full output to test, except
> maybe only for a second or two. And they're thermally compensated -- you
> have to really work at over-currenting these devices to fry them.
>
>
> 73
>
> Jim NOTQ
>
>
>
> On Tuesday, October 29, 2013 5:48 PM, Todd F. Carney / K7TFC
> <k7tfc@arrl.net> wrote:
>
>
>
> On Tue, Oct 29, 2013 at 11:49 AM, Jim <n6otq@yahoo.com> wrote:
>
> The idea here is to batch-test so that I don't have to get
out
> the clip leads and other pieces every time I want to use one of these
> parts from the junk box. After a few times of jury-rigging a test set,
> I'll have used up the time needed to build a jig.
>
>
> Jim,
>
> I see your point, of course. Since all my test equipment, leads,
> fixtures, etc., are always set up and ready to go, for me it's easier to
> test on the fly.
>
> I've been thinking about a tester for regulators all day, using an
> Arduino or other MCU of course. I might just mess with that idea tonight
> for a little change from a frustrating troubleshooting project.
>
> 73,
>
> Todd
>
>
>
| Reply via web post | Reply to sender | Reply to group | Start a New Topic | Messages in this topic (6) |
No comments:
Post a Comment