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Old 19th March 2008, 03:05 PM   (permalink)
Default LC To EM Chart ?

Ok,

I need to ask this question.

QUESTION:

Is there any chart that will tell me what capasitor (C) and Inductor(L) range values go with the EM frequency ranges?

Here's a link to an EM chart
http://i192.photobucket.com/albums/z59/del...ht_spectrum.png

Example:

L=100mH - C=10uF So.. F= 159H

But it would maybe give the range of EM frequencies like this...

L 0-100mH - C 0-10uF => F= 0 - 159H Note: This is not correct (I think).
Or whatever.

I need a chart that will tell me the LC or RLC component value ranges for
the EM (at least in general terms).

Is there such a thing ?

-Areal :blink:
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Old 19th March 2008, 03:40 PM   (permalink)
Default

Quote:
Originally Posted by Areal Person
Is there such a thing ?
Quick answer - no.

When the frequency gets above a few Ghz, the concept of inductance and capacitance almost becomes redundant, their values become so small.

What would you expect to gain from such a chart?

JimB
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Old 19th March 2008, 05:50 PM   (permalink)
Default

What would you expect to gain from such a chart?

ANSWER:

Well, at least up to the MHz ranges as someone who is learning
about LC/RLC and tank circuits, it would be nice to know the general relationships between RLC component values and the EM freq ranges.

That way it would be MUCH simpler to select RLC components and
wind coils with confidence. A chart seems the next logical step as a reference
tool after defining an RLC calculator.

Can you tell me if and/or why this logic is flawed ?

-Areal
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