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1. [Amps] measuring rf colis (score: 1): Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>; Date: Tue, 24 Jan 2006 19:51:18 -0500; probably touched upon 10k times but.. Using my MFJ-259b, measuring some rf coils I have here, sweep the frequency... all coils I have, move all over the place. Is there a standard frequency these are; /archives//html/Amps/2006-01/msg00594.html (6,495 bytes)
2. Re: [Amps] measuring rf colis (score: 1): Author: Scott Townley <nx7u@arrl.net>; Date: Tue, 24 Jan 2006 18:31:00 -0700; Probably at low-frequency...like 1kHz or so. Remember the RF devices will measure a coil's *apparent* inductance, meaning inductance together with distributed capacitance plus any stray capacitance t; /archives//html/Amps/2006-01/msg00595.html (8,190 bytes)
3. Re: [Amps] measuring rf colis (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 24 Jan 2006 20:47:03 -0500; Chuck, Most stock chokes are measured at frequencies around 1 and 10 kHz using a precision LCR (bridge) meter. I have both the analog and digital bridges here and use both. There are some LCR meters; /archives//html/Amps/2006-01/msg00596.html (7,829 bytes)
4. Re: [Amps] measuring rf colis (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Wed, 25 Jan 2006 02:15:11 -0000; Don't MFJ recommend putting a known value capacitor in parallel with the coil and measuring the resonance? Then as you know the capacitors value ± 5% and the MFJ frequency ± 5% you shou; /archives//html/Amps/2006-01/msg00597.html (10,074 bytes)
5. Re: [Amps] measuring rf colis (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 24 Jan 2006 21:42:58 -0500; Conrad, I spoke to the designer of this LCR meter a while back about converting the kit to a bench meter and decided against it. The reason for me was that the components needed to be mounted as clos; /archives//html/Amps/2006-01/msg00599.html (14,218 bytes)
6. Re: [Amps] measuring rf colis (score: 1): Author: "m.ford" <k1ern@direcway.com>; Date: Tue, 24 Jan 2006 22:49:16 -0500; Gee, no mention of the Tektronics LC-130. I have a pair of them, one set up with a C jig and the other for L. We had an old Boonton with top terminals at work that was great for small coils wound und; /archives//html/Amps/2006-01/msg00600.html (13,858 bytes)
7. Re: [Amps] measuring rf colis (score: 1): Author: Bill Turner <dezrat1242@ispwest.com>; Date: Tue, 24 Jan 2006 21:29:47 -0800; ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I have one too, bought dirt cheap when I was a Tek employee almost 30 years ago and still going strong. Agrees with my AADE L/C met; /archives//html/Amps/2006-01/msg00601.html (8,100 bytes)
8. Re: [Amps] measuring rf colis (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Wed, 25 Jan 2006 00:35:13 -0500; Mike, The Tek is a decent analog LCR meter. I've seen them for sell on eBay some. Boonton stuff is good the same as the old Genrad and ESI meters. The major problem though if you go back too far in m; /archives//html/Amps/2006-01/msg00602.html (16,859 bytes)

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