LF: COILS

["mal hamilton" <g3kevmal@talktalk.net>]

The most efficient and simple method of arriving at a required inductance for a PA application is to use a tapped coil, this way you get exactly the amount ot L needed.

Other methods like variometers, and slug tuned coils introduce loss ie extra lossy turns not needed,  iron slugs, copper slugs alter the Q factor also indroduce loss.

Keep it simple as they say

G3KEV