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Transmitting tubes
Microwave Forum / OTHER...Not listed

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richy_64

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Messages: 198
New PostCreated: 2006-10-27, 03:22 PM CET  Subject: Transmitting tubes  print  recommend Reply with Quotation  
Wenn das so ist (Premium-Edition)
Impressions of some common transmitting tubes.


QQE03/12 twin tetrode,output power 15W@200MHz
Still works at 450MHz (tested it), of course at a lower output power, maybe 3...5W.
Price: <5€
It comes from Valvo and has a blue labelling (higher reliability for aviation and seafaring use). An indication of this is that the glass is "shrinked" above to hold the system faster.


Manipulated picture... i love tubes. See the grid inside...



QQE03/20 twin tetrode, output power 20W@600MHz
Price: ~10€
May work at 900MHz as well ?


Best source for tube-datasheets: Frank Philipse
http://frank.pocnet.net/index.html


_______________________

"Ich liebe es, wenn ein (Schalt-)Plan funktioniert."

[edited: 2006-10-27, 07:30 PM CET by richy_64]
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