I could be wrong, but suspect the "three legged diodes" are actually a
reference to three-terminal current regulators - or possibly to voltage
regulators.
These were mentioned a while ago as a method of getting simple current
regulation for CS generator applications, and in context with regular
regulator (current) diodes with two legs, not shortened (Eeww! Sorry, almost)
Malcolm
At 11:28 AM 10/15/06 -0500, you wrote:
Morning V and The List,
>> At 05:53 PM 10/14/2006, you wrote:
tere is a spec sheet that comes with theu little diodes that tells
which leads to short together.
I think you and others have used this term, "Which Leads to short
together".
It has been a bit confusing to me, raises some questions, and may be
misleading to others.
I have used many diodes over the years, likely numbering into the
thousands. At one time, the systems in the field were not perfect, the
manufactures did not have all their ducks in a row, and we had to
interface systems, build small circuits on the job site, and even piece
together a diode matrix now and then. I would buy them 50 and 100 at the
time and felt I cold not hit the road without a bag of diodes.
I thought I had used them in every imaginable fashion, but maybe not.
Still, the term "which leads to short together" leave me in AWE and a
state of confusion.
Literally, shorting the leads together can mean only one thing. That
is, unless the mounting / support lead enters the picture. Short one
lead to it ?
Still, in my mind, Shorting the leads together can mean only one thing.
Possibly you are meaning, "Where to put the diode in the circuit" as it
would appear to
"short together" the two points, but in reality it does not. As you know,
there is a forward voltage and near a constant current for reverse voltage use.
Makes me wonder if several biased in reverse would not work as a current
limiter.
A short is a short is a short. How can anyone define it differently.
Shorting the two leads together ( A two lead diode ) would render it
useless and worthless.
Not trying to muddy up the water that you and others have already cleared
up, but don't want to see the beginner or the novice to proceed with any
confusion. Or ....... confusing terms.
Here is a wonderful link for the person starting to learn about diodes.
http://www.kpsec.freeuk.com/components/diode.htm
There are many "not so normal uses" for diodes. In a bind, they can
serve as a
"Model Rocket Ignitor".
Wayne
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