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Re: [TCML] RF Ground and Brass
In a message dated 3/7/08 2:08:17 P.M. Eastern Standard Time,
>While 1kV on your ground cable may be insignificant as far as topload
voltage or performance, let's
>not loose sight of the REAL reason we should be striving for a good RF
ground. If there is 1KV of RF
>on your secondary base, there is also 1kV of RF on your NST case. You can
bet that this will have
>an impact on the level of hash that enters your mains.
I wonder instead of subjective "hash" measurements, an FFT of the base
grounding method would be more useful. After all, "hash" might have different
characteristics for different coils, but we are looking for a cost-effective
grounding method that will cover a wide spectrum of noise problems.
I wonder if the radiated noise from the spark gap, primary, and
secondary discharges might be "louder" at some point. Maybe we just need to ground it
to where the other sources then predominate. Some experiments to determine
how much line hash comes from these sources might be informative as well.
Center for the Advanced Study of Ballistic Improbabilities
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