Quote:
Originally Posted by jack
hi wm6
How low frequency transmitter in the ferrite?
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It is about properties of ferrite core not transmitter.
Ask your supplier for LF toroid of higher AL value, which are mostly manganese/zinc (MnZnFe{II}) type.
Or better: forget telescopic antenna an build simple and effective coil antenna as on my schematic.
http://www.dz863.com/drawsch_1925.html