Phil Clements wrote:
>
>The QST article was supposedly inspired by two Eimac bulletins; one for
>strapping the grids to chassis, and one for using the L/C networks
>instead of a pi for 3-500Z amp design. I wish someone could dig up
>these bulletins.
>
There are a few Eimac Application Bulletins on the web, at:
http://www.cpii.com/eimac/eiapps.htm along with other useful information
and a limited FAQ.
* AB5 - Eimac Tube Performance Computer
* AB16 - Water Purity Requirements in Liquid Cooling Systems
* AB17 - Fault Protection
* AB18 - Extending Transmitter Tube Life
* AB21 - Conditioning of Large Radio-Frequency Power Tubes
* AB24 - Prolonging IOT Life - Optimizing IOT Operation
* AB25 - 3CPX800A7 Recommended for FM Broadcast
* AB27 - Shipping and Handling
* AB28 - Hi-Pot Testing of High Power Tubes
AB17 is the much-debated one about "glitch protection", but the list
doesn't include the ones about the 3x0.5.
--
73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek
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