[Amps] Series screen gate design help

[Ron Youvan]

Radio WC6W wrote:

>     A power FET or an IGBT (with an internal or external diode) should do for that spot rather than an old bipolar device.

>     At least a 600V device would be indicated.

>     600V IGBT's have become very economical.

   I recommend taking the horizontal output transistor out of an old NTSC (analog) TV set.
They are about 1,200 Volts at 6 or 7 amps, heat sunk.  A single hi Voltage (Video output transistor) 
inverter and you are ready to design.  Much cheaper!
-- 
    Ron  KA4INM - The next election, I know what is going to happen, I'm going to help.