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Total 4 documents matching your query.

1. LF: Re: Loading Coil Q (score: 1): Author: "Peter Martinez" <[email protected]>; Date: Thu, 06 Jul 2006 14:40:11 +0100; From G3PLX: Gary: You say you don't have a Q meter, but it's very easy to improvise one, if you have a means of generating RF at 136kHz and a means of measuring RF voltage. Set up your LF transmitter; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-07/msg00027.html (11,036 bytes)
2. LF: Re: Loading Coil Q (score: 1): Author: "PA0WFO" <[email protected]>; Date: Thu, 6 Jul 2006 13:51:19 +0200; To All , Lacking a "Q"meter I use the following procedure : Connect the coil in series with a variable capacitor to a noise bridge with the RX output of the bridge to a receiver ( small bandwith of a; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-07/msg00028.html (11,741 bytes)
3. LF: RE: Loading Coil Q (score: 1): Author: "james moritz" <[email protected]>; Date: Thu, 6 Jul 2006 14:05:10 +0100; Dear Gary, LF Group, The technique I use is like this - Select a low-loss capacitor (polystyrene, silver-mica, polypropylene, air variable, etc) that will resonate the coil near the frequency of inte; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-07/msg00144.html (10,580 bytes)
4. LF: Re: Loading Coil Q (score: 1): Author: "Gary - G4WGT" <[email protected]>; Date: Thu, 6 Jul 2006 21:29:25 +0100; Thanks to you all at LF & LW, You have presented some excellent ideas for me to put into practice. I do not require absolute acuracy just a reasonable calculation to give me a ball park figure with m; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-07/msg00224.html (8,678 bytes)

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