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Transmission line choke - Richard Clark
In another thread, Richard said:
"You can achieve astonishingly high Zs with a coiled transmission line with very little effort (roughly 8-12 turns on a liter pop bottle - empty of course - for HF)." The key is "...empty of course...". What if one were to fill the bottle with relatively pure water to keep dissipation factor low? Water's dielectric constant is about 80. This would increase the stray capacitance, thus reducing the required turns to achieve resonance. Would this increase the Q due to lower loss in the inductance? Just curious. John |
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