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Old April 7th 12, 07:07 PM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Jun 2006
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Default Tesla coil

Szczepan Bialek wrote:

Uzytkownik "Jeff" napisal w wiadomosci
...

Microwave transmitters routinely use resonant devices other than coils
and
capacitors.

Yes. It was impossible to "make" the microwave frequency using coils.
Magnetrons are for it.

But are the modern radio waves (ham) transmitters without any coils?
S*


Generally they have coils, but NOT Tesla coils, it would be possible to
not use coils, but it not usual. (Depending on what you call a coil,
inductance would be a better word, as this can be generated in ways other
than what would normally be termed a 'coil'.)


A coil is made of a wire.


Well, usually but not necessarily.

Are "magnetrons" or simmilar device for yours transmitters?
S*


Magnetrons are microwave oscillators and impractical to build much below
1 GHz.

Magnetrons have nothing to do with coils of any kind.

You are babbling.


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