[AMPS] RF filament choke for indirectly heated cathodes?
Wed, 21 Jun 2000 17:52:34 -0700
>>>> Rich wrote:
>>>> In other words, put a jumper between the cathode and the heater, and use a
>>>>choke - the same as one would do for >>30MHz operation >>
>>> MAKES U WONDER JUST HOW MUCH MORE IT WOULD COST THE MFG. TO DO IT RIGHT!
>>Ameritron does it right, but alas, no anode parasitic suppressor!
>? ... incredible, Phil. The designer of the AL-1500, Charles Thomas
>Rauch, Jun. claimed to be one of our recognized amplifier ''experts''
>(9-94, QST) -- yet he has no training in physics, physics of electricity,
>or algebra. The AL-1500 is the only 8877 amplifier that has no vhf
>suppressor whatsoever. .
>Is either side of the heater operated at ground potential?.
>No Sir, it is wired just like you describe above....
- Rich..., 805.386.3734, www.vcnet.com/measures.
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