[SOLVED] Question about impedance matching

hunas2127 said:

Until now, I was only familiar with conjugate matching, but while reading papers, i came across the term "reactive matching"
I'm curious about the difference between it and traditional matching
View attachment 198615
also, I'm wondering what the difference is between a transmission line and an artificial transmission line
artificial transmission line

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mtwieg said:

I've never heard the term "reactive matching".

"Artificial transmission line" likely refers to a lumped element transmission line, i.e. a group of inductors/capacitors meant to behave like a transmission line.

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hunas2127 said:

I don't fully understand.
A transmission line is used as a replacement for inductors and capacitors,
but does this mean that inductors and capacitors are used to replace the transmission line?
If a large inductance value is not required, I don't see a reason to use an inductor.

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hunas2127 said:

I don't fully understand.
A transmission line is used as a replacement for inductors and capacitors,
but does this mean that inductors and capacitors are used to replace the transmission line?

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FvM said:

Quoted paper seems to refer to IC design. In this context, transmission lines are probably not an option.

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mtwieg said:

Yes, sometimes transmission lines are desirable, like for making couplers or splitters/combiners.

For example if I want to make a wilkinson splitter for operation at 1MHz, I'm not going to use 50m of transmission line for the quarter wavelength branches. I'll use a compact LC circuit instead which mimics a quarter wave transmission line.

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D.A.(Tony)Stewart said:

for a 1 cm wavelength, laser trimmed Ceramic hybrids are viable for accuracy.

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