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'[EE]: Circuit problem OL1'
2007\01\30@072628 by olin piclist

face picon face
Yesterday showed that there are electronics beginners that would like to
learn by analysing circuits, and experts that are willing to help.  But
yesterday also showed that if everyone just blurts out problems and answers
in a unstructured way, few people learn anything.  We've got over 1000
people here, with a wide spectrum of electronics knowledge fetching and
replying to the list at different times and sometimes with uncertain server
delays.  In order to learn, each person must try to figure out the answer
themselves, then look at other attempts of the official answer.  But that's
hard as there are multiple "students" at different abilities and only one
gets to answer the question first.

So here is what I'm suggesting:  Anyone that feels they have a appropriate
problem post it as a new topic (without "Re: " in the subject line) with a
subject of the form "[EE]: Circuit problem <initials><number>", as I did
with this message.  Actually <initials> can be anything unique enough to you
to give yourself your own namespace for the <number> part.

Anyone can then comment at any time as a reply.  Someone wanting to do the
problem can easily distinguish the original problem from later discussion
about it just from the subject line, and can skip over such replies until
they've had a chance to figure out the problem themselves.  Then they can go
back and look at all the discussion and compare that to their own thought
process, make their own comments, etc.


Lindy Mayfield wrote:
> I'm ignoring others explanations for now until I untangle that section
> you suggested.

OK, so what have you figured out so far?  First look at R2 and D3, and
forget about C2 for the moment.  Once that makes sense, try to figure out
what Q1 is doing.  That will be a little more challenging.


********************************************************************
Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
(978) 742-9014.  Gold level PIC consultants since 2000.

2007\01\30@115435 by John Chung

picon face
Olin,

Do you train your stuff with these kind of exercises?
Curious. Anyway good exericse for PICLIST.

John.

PS: I am tempted to discuss other topics like
multivibrator and PWM but will use another topic
heading.





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2007\01\30@132348 by olin piclist

face picon face
John Chung wrote:
> Do you train your stuff with these kind of exercises?

What stuff?

********************************************************************
Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
(978) 742-9014.  Gold level PIC consultants since 2000.

2007\01\30@215117 by John Chung

picon face

--- Olin Lathrop <spam_OUTolin_piclistTakeThisOuTspamembedinc.com> wrote:

> John Chung wrote:
> > Do you train your stuff with these kind of
> exercises?
>
> What stuff?
>

 Sorry staff, on circuit analysis.

John

>
********************************************************************
> Embed Inc, Littleton Massachusetts,
> http://www.embedinc.com/products
> (978) 742-9014.  Gold level PIC consultants since
> 2000.
> --

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