Firson Maryutenli wrote:
>Why floating ground (ground and negative separated between 50 ohm resistor)
>always use in modern HV Power Supply,
>And why in stand by mode, tube also biasing for cut off voltage, and why not
>cutting off cathode from negative..
>Any body can help to be explaining
Many of these points are explained in an article on 'Triode Amplifier
Control and Protection' at:
Although the article is associated with a specific commercial product,
the general points are valid for all triode amplifiers.
73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
'In Practice' columnist for RadCom (RSGB)
FAQ on WWW: http://www.contesting.com/FAQ/amps
Administrative requests: amps-REQUEST@contesting.com