>>
>> >Rich:
>> > Send one of those suppressors and I will do a thorough
>measurement.
>> >Let's stop all the hand waving and get some real numbers.
>>
>> ** If Mr. Rauch agrees to send one of his suppressors, yes. What
>> instrument do you have access to for measuring impedance, admittance and
>> parallel-equivalent resistance? The measurements need to be made at
>> 100MHz and 150MHz since that will cover both Henry's as well as
>> Ameritron-MFJ's 3-500Z amplifiers.
>
>I don't have suppressors. Unlike you, I am not in the business of retailing
>anything and have no connection to any parts retailer.
>
>I'm sure Eric could get a replacement suppressor from Ameritron, but what he
>really needs is an entire amplifier to see what the change is in the SYSTEM
>when the suppressor is installed. If I knew Eric I'd loan him an amplifier,
>but I don't.
** How else could one measure the Z/Y of a suppressor other than by
connecting a Z/Y analyzer to the suppressor ? This is what Wes did.
>
>The oscillation frequency of a 3-500Z is generally NOT near 100-150Mhz,
>unless the amp has fairly poor layout and grid / anode wiring. If you remove
>all suppression from an AL80A or B and measure the resulting oscillation it
>is near 200MHz.
>
** As I recall, during the Grate Debate you said it was near 155MHz.
cheers, Tom
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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