[Amps] swiatching power supply for oxide cathode filament

Sat Aug 12 07:13:52 EDT 2006

My next project(4X4CX250 or 2*4CX800) will begin, does any guy have this 
experience?I know that the switching power supply can not used in thoriated 
tungsten cathode  tube's filament.But I do not think so in oxide cathode 
tube.Thanks i advance!
 73! Hsu

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