Hi,
I have seen some RF transmitters (315MHz) PCB that there are some inductor components which uses bare wires of 2.5 turns and 3mm diameter. What are their functions? I have calculated the inductance to be 13nH which is quite small. Thanks!
If you build a tank out of that inductor, and a cap of 20pF, you have a resonance frequency around 315MHz.
f = 1/(2.pi.sqrt(L*C))
-- Regards, Bob Monsen
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