>
>Hi Jon and all,
>
>I have had acceptable results with Nichrome wire as the resistive
>part of parasitic suppressors in FM broadcast transmitters using the
>4CX3500A up to about 5500 watts CW. Probably hundreds of these units
>are around the world with this circuit in them. Also used the wire in
>the prototype of my 100 kW x 2 amplifier at 2800 KHz which I built
>two years ago. However, in that unit, I finalized the prototype
>around small Carborundum type resistors because they were easy to
>mount, and well, they worked too. I also find a bit of ferrite is
>helpful in some magic absorbers. I do not built these things from
>paper models and equivalent circuits, but with a network analyzer
>sweeping a cold amplifier circuit. Right now I have no suppressors in
>the big amp.
>
What is the grid-resonant freq.?
What is the anode-resonant freq.?
>
cheers, John
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