[AMPS] Re: 4 to 1 un-un at the tank output

[measures]

>
>Rich insists,
>
>
> "For this application, Type 61 ferrite is rated by the manufacturer at
>10MHz max.   Using type 61 (mu=c.125) material at 14MHz, sinewave
>distortion can easily be seen on an oscilloscope.   Type 43 ferrite is
>rated at 50MHz."
>
>I know we've gone thru this before, but my Amidon catalog lists 61
>ferrite used in (low Q) BROAD BAND transmission line transformer service
>good to 200 mHz. A la, most every balun and un-un on the market.
>
Amidon is Not a manufacturer of ferrite material.  

cheers,  Roy  

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


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