 PL519 @ The National Valve Museum [Datasheet]
The PL519 was a line output valve, or sweep tube as they were known in America. This example is of late manufacture and probably the last to be produced before transistors took over the role.
http://www.r-type.org/exhib/aad0290.htm
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 Datasheet PL519 Philips
http://www.hebertech.com/datasheet/philips/pl519.htmlhttp://www.hebertech.com/datasheet/philips/pl519.html
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 Amplificateur 100W décamétrique avec PL519 de F6CRP
Ayant construit un kit de K2 durant l'hiver 2004, la question de la puissance s'est rapidement posée, trafiquer en QRP c'est amusant et formateur en CW, cela devient vite lassant en SSB sur 40 m tant pour vos correspondants que pour vous-même.
http://f6crp.pagesperso-orange.fr/tech/PL159.htm
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 Linear-Endstufe mit PL509 / PL519 durch DL2YEO
Die PL509/519 sind zwar keine echten Senderöhren, aber diverse Artikel und Bauprojekte im Internet belegen, dass man damit durchaus eine zufriendstellend funktionierende KW-Endstufe (Linear RF Amplifier) für wenig Geld bauen kann.
http://www.qrp4u.de/docs/de/PL519/index.htm
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 PL519 FRINEAR 150, 150 W HF Amplifier by PAØFRI
Being a passive-grid amplifier, most of the input power is dissipated in a non inductieve (carbon) resistor applied to the control-grid of the valve. This type of linear has many desirable features, ...
http://www.xs4all.nl/~pa0fri/Lineairs/Frinear150/fri150eng.htm
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 PL519 400W Grounded Grid Amplifier, FRINEAR 400 by PAØFRI
The regular visiting of ham flea markets is a money-saving way to obtain parts for a home-brew linear amplifier meeting the requirements of the Telecom authorities.
http://www.xs4all.nl/~pa0fri/Lineairs/Frinear400/Frinear400eng.htm
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