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Re: [Amps] measuring rf colis

To: amps@contesting.com
Subject: Re: [Amps] measuring rf colis
From: "Will Matney" <craxd1@verizon.net>
Reply-to: craxd1@verizon.net
Date: Tue, 24 Jan 2006 20:47:03 -0500
List-post: <mailto:amps@contesting.com>
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 by HP and a few others which can 
measure up to 10 MHz. Most all stock coils though like Ohmite are measured at 
around 1 to 10 kHz. The three top manufacturers of LCR meters is HP, ESI, and 
GenRad.

Best,

Will

*********** REPLY SEPARATOR  ***********

On 1/24/06 at 7:51 PM Partain, Chuck wrote:

>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 rated at?
> 
>say a coil is advertised at 10uh. at what frequency? I can pretty much
>determine the current
>by the size of the wire...??
> 
>chuck
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