Well, maybe a the original poster needs it for evaluating the best value otf the inductor in a test and later replace the virable inductor with a fixed value one.
in this case: Go for the surplus markets or garage sales. Inductance "diddle" boxes is the one you should go for. GE, R&S etc. manufacture well handicrafted ones. But be prepared for a high price ;-)
hth
Andreas
in this case: Go for the surplus markets or garage sales. Inductance "diddle" boxes is the one you should go for. GE, R&S etc. manufacture well handicrafted ones. But be prepared for a high price ;-)
hth
Andreas
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