Transformer/inductor design Part 3 
This measurement setup in this video is very WRONG, signal feeding is from a too low impedance for parallel resonance. 
On MY Ferrite page you learn how-to-do-it the right way. That is feeding the generator signal to the L-C  
with a very small TOP-C with a value of 1% of the parallel Cap or even less, even down to 0.1% with a good Q.  
In this way the Q damping by the 50 Ohm signal source is minimal and what you measure is much more realistic.  
You can even measure a reliable Q.
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