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build a variable capacitor
i need a variable for a receiving loop antenna. does anyone know how to
determine the area of plates for a given value of cap? for example i need 365 pf. two half circle plates would be handy, separated by a piece of plastic or card stock. what surface area for each plate would approximate that value? does two stator plates with one rotor between them increase the value if compared to one plate each? |
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