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Opening Black's Box, Rethinking Feedback's Myth of Origin

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Simon S Aysdie

Jan 1, 1970
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Simon S Aysdie

Jan 1, 1970
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Nice, thanks.

I have copies of: black & fosters papers, cauer & bodes books. these
were some seriously clever buggers.

I've always liked the whole synthesis topic. I think I was searching
for the Foster or Darlington paper when I stumbled on these articles.

Do you have a electronic copies of those Bode and Foster papers? I
wouldn't mind having them...

The Otto Brune paper is here:
http://dspace.mit.edu/handle/1721.1/10661
(No printing: http://dspace.mit.edu/bitstream/1721.1/10661/1/36311006.pdf)
(Money to MIT: http://dspace.mit.edu/bitstream/1721.1/10661/1/36311006-MIT.pdf)

I can't bring myself to pay for a printable version.
:
:
:
Other amusing stuff:
http://dspace.mit.edu/bitstream/1721.1/4768/1/RLE-TR-314-04734634.pdf
http://dspace.mit.edu/bitstream/1721.1/4810/1/RLE-TR-261-14267258.pdf
http://dspace.mit.edu/bitstream/1721.1/4783/1/RLE-TR-298-04734557.pdf
http://dspace.mit.edu/bitstream/1721.1/4986/1/RLE-TR-062-04706959.pdf
http://dspace.mit.edu/bitstream/1721.1/5038/1/RLE-TR-008-14266277.pdf

http://www.ece.rutgers.edu/~orfanidi/ece521/notes.pdf
http://www.ece.rutgers.edu/~orfanidi/ece521/hpeq.pdf
 
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Jim Thompson

Jan 1, 1970
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Interesting!

Since I'm an MIT alumnus I tried to find how to sign up.

But that set of pages is about as obtuse as they come :-(

I'll see who I know at MIT who is still alive ;-) and ask how to do
it.

...Jim Thompson
 
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Simon S Aysdie

Jan 1, 1970
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Interesting!

Since I'm an MIT alumnus I tried to find how to sign up.

But that set of pages is about as obtuse as they come :-(

I'll see who I know at MIT who is still alive ;-) and ask how to do
it.

Cool.

Hey, did you ever take any classes w/ Guillemin's being the
instructor? He gets referenced all over the place on network & filter
synthesis books/papers. I have three of his books, although I don't
have time to go through them.

I was surprised they keep this stuff too, but the Brune synthesis and
"positive real functions as physically realizable" is famous in the
synthesis cult. laughs
 
T

Terry Given

Jan 1, 1970
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Simon said:
I've always liked the whole synthesis topic. I think I was searching
for the Foster or Darlington paper when I stumbled on these articles.

Do you have a electronic copies of those Bode and Foster papers? I
wouldn't mind having them...

if I ever get any spare time (running around like headless chicken at
the moment) I can scan Fosters paper; email me off-line (Im sure you can
figure out my email addy) and I'll send you the scans. Bodes book is
about 700 pages :( perhaps you means Blacks paper
 
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Jim Thompson

Jan 1, 1970
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Cool.

Hey, did you ever take any classes w/ Guillemin's being the
instructor? He gets referenced all over the place on network & filter
synthesis books/papers. I have three of his books, although I don't
have time to go through them.

Guillemin was notorious for his simplistic approach to passives... 1
Ohm, 1 Henry, 1 Farad kind of stuff... not very useful for calibration
into the real world.

But I was in Course 6B... honors EE, so I had Harry B. Lee, 1959-1960.
He was super! I will forever be indebted to his insight into loop and
nodal analysis... I'm still a whiz kid at it ;-)
I was surprised they keep this stuff too, but the Brune synthesis and
"positive real functions as physically realizable" is famous in the
synthesis cult. laughs

What I got a cackle out of was the thesis advisors: V. Bush, E.A.
Guillemin, and N. Wiener, with indebtedness to W. Cauer ;-)

...Jim Thompson
 
E

ehsjr

Jan 1, 1970
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Simon said:
Maybe ya''ll have seen this; I thought it was interesting:

http://mit.edu/6.933/www/black.pdf

Also:
http://www.cs.princeton.edu/courses/archive/fall03/cs323/links/cauer.pdf
http://www.nap.edu/readingroom/books/biomems/sdarlington.pdf

These popped up on some synthesis searches.


"The fact that I have no remedy for all the sorrows of the world is no
reason for my accepting yours. It simply supports the strong
probability that yours is a fake." -- H.L. Mencken

Good stuff! Thanks for posting.

Ed
 
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Simon S Aysdie

Jan 1, 1970
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Guillemin was notorious for his simplistic approach to passives... 1
Ohm, 1 Henry, 1 Farad kind of stuff... not very useful for calibration
into the real world.

Well alright. Maybe he was a leftist weenie, anyway. Poles are on
the left, I know that much; zeros can be found everywhere.

I don't see anything wrong with the number 1. All the background work
in analog filter synthesis is R=1, w=1, and via a LP prototype.
Everyone does it that way ,(normalized & LP) and then simply transform/
scale it.

Just cuz you hate small integers, your torture test is to synthesize
the simple impedance:

Z(s) = (s*(s + 1/2))/(s^2 + 1/6)
But I was in Course 6B... honors EE, so I had Harry B. Lee, 1959-1960.
He was super! I will forever be indebted to his insight into loop and
nodal analysis... I'm still a whiz kid at it ;-)

I wonder if that is the same Lee that did the statistical comm theory
stuff. I think there was a Lee at MIT right about that time.

I was thinking about getting this:
http://www.amazon.com/gp/product/0262231190/
What I got a cackle out of was the thesis advisors: V. Bush, E.A.
Guillemin, and N. Wiener, with indebtedness to W. Cauer ;-)

Yeah, it is a who's who list. I wonder if he got a good job after
graduation. Guillemin dedicated _Synthesis of Passive Networks_ to
Brune.
 
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