[ARC5] Crystal Tester

[Richard Knoppow]

    There must surely be instruments which will do this. An ordinary 
Boonton Q-Meter would not without some help since it will measure Q up 
to about 1000 and crystals have Qs of perhaps then times this or more.

On 6/12/2016 10:07 PM, Fuqua, Bill L wrote:
>    What is needed is a simple measurement of series resistance and Q.
> 73
> Bill wa4lav
>
> ________________________________________
> From: ARC5 [arc5-bounces at mailman.qth.net] on behalf of Kenneth G. Gordon [kgordon2006 at frontier.com]
> Sent: Sunday, June 12, 2016 10:49 PM
> To: Arc5 at mailman.qth.net
> Subject: Re: [ARC5] Crystal Tester
>
> On 12 Jun 2016 at 21:37, Robert  Eleazer wrote:
>
>> Also crystal tester articles in 73 mag, August 1996 and Nov 1971.   The Aug 96 article
>> includes some advice on how to restore FT-243 crystals to operation.
>
> Both of those are solid-state circuits with voltages and currents too low (IMHO) to
> adequately test FT-243 or other large crystals.
>
> But thanks for the links anyway.
>
> Ken W7EKB
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL