[AMPS] QRO TORROID (WAS MORE USEFUL SUPPLY.

measures measures@vcnet.com
Sun, 23 Jan 2000 21:39:13 -0700


>
>Rich and Plil have had an interesting discussion on torroid types,  Here is
>a follow up question.
>
>If the type 61 starts to saturate at 10 MHz and is good to 30 MHZ at QRPP
>levels,  what types
>are good for transformers, baluns, un-uns etc at 30 MHz at OR power 
levels?....

Type 43 is ok up to 50MHz.  You can stack 2.4" cores for more power 
handling ability.  Check for core saturation by checking UHF TV channels. 
 Ordinary #12 TFE hookup wire is good.  Tape cores to prevent chafing.  

cheers

-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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