Untitled Document

Links
Various Tubes, Parts and Construction Techniques

W2DTC - HOMEBREW 3CX3000F7 GROUNDED GRID LINEAR AMPLIFIER - http://w2dtc.com
Svetlana - Tube manufacturing - http://216.87.144.102/svetlana/
N4UQ - Upgrades and repairs for select 'Amateur Radio' amplifiers - http://www.n4uq.com/
Techniques To Extend The Service Life Of High Power Vacuum Tubes - an interesting read about the effects of turning filaments on and off -
http://www.medphys.ucl.ac.uk/~drkirkby/data/Burle/Techniques-to-Extend-the-Service-Life-of-High-Power-Vacuum-Tubes.pdf
Eimac - Care and Feeding of Power Grid Tubes - original document, full scan, 40+ Mb, 174 pages
Eimac - Care and Feeding of Power Grid Tubes - complete current document available in sections, in pdf format from the following address (click on the "Care & Feeding" link on the left):
http://www.cpii.com/eimac/
Far Circuits - sells a replacement tuned input board for the Dentron GLA-1000B AMP for about $6.00:
http://www.farcircuits.net/rfpa2.htm#8rfpa
Ameritron (MFJ) - sells a tuned input board for about $10.00 plus shipping:
http://www.ameritron.com/products.php?prodid=862-0800-2
WV7U - Hank has a beautiful YC156 amp and a 3CPX800 amp here:
http://www.wv7u.com/
PA0FRI - A nice site with many amp links and conversions. There is a nice SB200 refurb article which includes details on input circuits: http://www.xs4all.nl/~pa0fri/Lineairs/SB200/sb200eng.htm and his ham radio technical page is http://www.xs4all.nl/~pa0fri/