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Cecil Moore wrote:
Jim Kelley wrote: Cecil Moore wrote: Myths and old wives' tales die hard. So please stop trying to invent new ones. I'm not doing that, Jim, just trying to lay the old ones to rest, e.g. a 3 nS delay through a 10" long 75m bugcatcher loading coil. Please don't tell me that you believe that a 4 MHz signal can travel through a large 10" inch coil in 3 nS - a coil that exhibits a VF of 0.04. That's about seven times the speed of light. Given that the speed of light is roughly 3 x10^8 meters per second, and it would ordinarily take less than a nanosecond to traverse the 10", it's not *THAT* unbelievable. The delay would depend on the series inductance and shunt capacitance of the coil. What are those numbers? ac6xg |
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