[Elecraft] K2 - RF choke identification

Don Wilhelm w3fpr at embarqmail.com
Fri Aug 24 08:49:40 EDT 2007


I finally broke down an purchased the AADE L/C meter after I got tired 
of doing the calculations required when using my homebrewed K6OLG LC 
Tester (the AADE meter is based on that LC Tester).  I believe it is a 
bit more trustworthy for small values than the typical DMM with 
capacitance and inductance measurement capability, but if all you have 
is the DMM, it can be a big help.  Some DMM LC measurements can be quite 
accurate, but I would not trust the exact measurements on a DMM until it 
has proven its worth - give it +/- 20% uncertainty until you prove it is 
more accurate - and remember that the leads contribute to stray 
inductance and capacity too, so your measurement fixture can be a big 
factor when measuring small values.

73,
Don W3FPR

Brett gazdzinski wrote:
> You can buy a DMM that measures inductance.
> I have a wavetech meterman model that was under $100.00
> that does capacitance from many micro farads to pico farads,
> inductance from henrys to micro henrys, frequency
> to 10 Mhz, plus all the other usual DMM stuff.
>   
>


More information about the Elecraft mailing list