Since toroid inductors are used throughout the K2, and since few other
topics generate as much discussion and the care and feeding of
toroid-wound inductors, I wanted to mention that Andy, G4OEP, has
recently completed an interesting study of the effect of turns spacing
upon inductance and distributed capacitance, which may be read at
http://g4oep.atspace.com/coil/coil.htm.
I also recommend Andy's other work, linked at his home page
http://g4oep.atspace.com/index.htm,
I've also added a new page to my site showing the effect of voltage on a
variety of ceramic capacitors.
http://www.cliftonlaboratories.com/capacitor_voltage_change.htm. It
provides at least a start of an answer to the question "when is a 0.1uF
capacitor not a 0.1uF capacitor"?
Jack K8ZOA
www.cliftonlaboratories.com
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