[Test-Equipment] Need recommendations for an HC-6 & FT-243 tester

[Brooke Clarke]

Hi Doug:

Crystal activity meters let you know that the crystal oscillates, but don't give you any parameters.  They are usually 
low in cost, small and battery powered.
http://www.prc68.com/I/Xam.html
Although some of these simple circuits allow connecting a frequency counter to see a frequency, it's not an accurate way 
to get the frequency when the crystal is installed in some specific equipment. The load capacity needs to be correct to 
get the correct operating frequency or the crystal needs to be operated in the series mode and tested in that mode if 
that's how the equipment operates.

Crystal Impedance Meters allow characterizing the crystal.  They usually are higher priced, larger and line powered.
http://www.prc68.com/I/CrystalImpedanceMeters.html

Here is some info on Crystals
http://www.prc68.com/I/Xtal.shtml
and Crystal Equivalent circuits
http://www.prc68.com/I/Xec.shtml

-- 
Have Fun,

Brooke Clarke, N6GCE
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
The lesser of evils is still evil.

-------- Original Message --------
> Can anyone recommend an HC-6 (S-line, later Heath) crystal tester that will also do FT-243 or vice versus: an FT-243 tester that has an HC-6 adapter on it.  I'd also like to see any PDF files you might have that suggest how to make one.
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> The ePlace has some generic "does everything" marvels but I have been hesitant to throw money at one for fear it really does not work well.
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> Thanks in advance,
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> Doug W5JV
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