"Peter O. Brackett" wrote in message
link.net...
Dave:


The impedance matching dynamics at the reference plane/junction point are
the same for
distributed and lumped systems, they obey all the same equations, their
electrodyanamics
is the same, one simply cannot tell the difference at the driving point.

If you don't like lumped models, then make the internal resistance of the
Thevenin
generator out of a distributed line. It will work just the same way.


i'm sorry, but that just isn't true. make me an equivalent, with a
distributed line, of a 1v step voltage source in series with a 1ohm
resistor.

David:

[snip]
i'm sorry, but that just isn't true. make me an equivalent, with a
distributed line, of a 1v step voltage source in series with a 1ohm
resistor.
[snip]

A 1volt step voltage in series with a zero length transmission line
terminated in a 1 Ohm resistor!

Dave, all electrical systems, lumped and distributed alike, obey
the Maxwell-Heaviside equations. They are all the same, not
different as you claim!

Prior to Maxwell [mid 1800's] folks believed that lumped and
distributed systems might obey different laws, but ever since
Maxwell wrote down his celebrated 22
equations, using quaternions, and Oliver Heaviside reduced
them to 4 neat little vector differential equations back in
the mid 1800's, most everyone, with the apparent exception
of yourself, has accepted that lumped and distributed systems
obey the same laws!

What exactly is your point?

Do you believe that lumped systems are described by different
laws than distributed systems? Are you trying to convince me
of that 150 year old discredited idea?

All macro - electrical systems confirm to the same laws of
electrodynamics, namely the Maxwell-Heaviside equations.

The only systems where Maxwell-Heaviside fails to predict
physical reality is when dealing with the "very" small, i.e.
quantum mechanics when one has to do Engineering and
make predictions and design one-photon-at-time. In this
case you have to use quantum electrodynamics or QED
but still all systems, lumped or distributed must obey QED
and Maxwell-Heaviside is just a special case or approximation
to QED laws in the aggregate when there are lots of photons.

Dave you will have a lot of arguing to do to convince modern
electro-technologists that lumped systems obey different laws
from distributed systems. Or that the equations of lumped
impedance matching are any different from transmission
line impedance matching. They are the same! The models
are the same, the mathematics are the same, the experiments
confirm that they are the same.

Exactly what is your point?

--
Peter K1PO
Indialantic By-the-Sea, FL.

"Peter O. Brackett" wrote in message
k.net...
David:

[snip]
i'm sorry, but that just isn't true. make me an equivalent, with a
distributed line, of a 1v step voltage source in series with a 1ohm
resistor.
[snip]

A 1volt step voltage in series with a zero length transmission line
terminated in a 1 Ohm resistor!


sri, you cut off one important thing... your last sentence before my
request...


If you don't like lumped models, then make the internal resistance of the
Thevenin
generator out of a distributed line. It will work just the same way.


i am asking you to show me a distributed model for the internal resistance
of a thevenin generator that as a lumped model is a 1v step voltage source
in series with a 1 ohm resistor. a zero length transmission line doesn't
exist so the model is still lumped.

David:

[snip]
i am asking you to show me a distributed model for the internal resistance
of a thevenin generator that as a lumped model is a 1v step voltage source
in series with a 1 ohm resistor. a zero length transmission line doesn't
exist so the model is still lumped.
[snip]

Dave you are being picayune. No one wins a ****ing contest like this,
everyone just gets **** on their hands.

I could respond with... OK then... how about a transmission line of length
somewhat less than exp(-exp(-exp-1000))) meters in series with a 1 Ohm
resistor. Will that do? Or do I could use a "recursive" definition.

It simply doesn't address or affect the point at hand, which is that a
complex Zo line terminated in its' conjugate will exhibit a non-zero
reflected voltage. Do you agree? If not, what 's your point?

"When I use a word", Humpty Dumpty said, in a rather scornful tone,
"it means just what I choose it to mean, neither more nor less."

"The question is", said Alice, "whether you can make words mean so many
different things."

"The question is", said Humpty Dumpty, "Who is to be master: - that's all."

-- Lewis Carol, "Alice in Wonderland - The Turtle soup"

Dave, I am willing to help you understand my unimportant proof, I didn't
realize it was such a big
deal, but hey... I recall you asked or commented about my posting, but if
all you wanted is to fuss
with me over side issues such as if lumped systems obey different laws than
distributed systems, then
I presume that we will have to agree that we cannot have a productive
discussion..

If I have offended you in some way, I did not mean to, please accept my
appologies.

Best Regards,

--
Peter K1PO
Indialantic By-the-Sea, FL.