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Why do we design for 50 ohms?

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Sadegh.j

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Why do we design everything for 50 ohms, what is the significance of the number, for example why not 100 ohms.
 

taitsoft

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Re: Why 50 ohms

Sadegh.j said:
Why do we design everything for 50 ohms, what is the significance of the number, for example why not 100 ohms.
A good question, often answered; see, for example, .

David
 

dingjingfeng

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Why 50 ohms

it can be found in the RF book of Thomas Lee
in a word, a tradeoff between Power handling capbility and attenuation
also because engineer likes round number.
 

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