On Tuesday 13 September 2011 17:07, Daniele Tincani wrote:
> Hello LF,
>
> apologies for being a bit OT.
> I'm looking for a (reasonably) reliable method for measuring Q of a
> parallel LC resonator at LF frequencies (ferrite-cored coil + variable air
> cap). I have a spectrum analyser (without tracking capability),
> oscilloscope with 10x probes, RF generator with built-in attenuator and
> sweep function, frequency counter. I'm doubtful in particular about how to
> avoid loading the LC with either the output Z of the generator or the input
> Z of the meter (or both). Any tips?
>
> Best regards
> Daniele

I suggest you this book:

Wes Hayward (W7ZOI), Rick Campbell (KK7B), Bob Larkin (W7PUA), "Experimental 
Methods in RF Design", ARRL,  2003, ISBN # 0-87259-879-9

In Italy you can ask Ediradio (Milano), about 50 Euro.

See page 7.36

Ciao
Claudio, IK2PII

-- 
Claudio Pozzi  -  Happy Linux User  -  http://www.qsl.net/ik2pii

 
 
 
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