[Fwd: LF: SV: FT140-43 impedance transformer]
Fri, 04 Dec 1998 10:10:36 -0500
Johan Bodin wrote:
> Hi Rik es others
> > The Amidon FT140-43 are rather cheap, anyone who has any experience with
> > thiese on 136kHz.
> I don't know about Amidon -43 material but Philips 3F3 material (toroids are light
> blue) is one of the best materials available for power transformation at this freq.
> 3F3 core loss is about half of 3C85 loss at 100 kHz.
> 73 de Johan Bodin, SM6LKM