Dan A. Davidson
At 06:02 PM 1/25/98 -3, you wrote:
>
>I did the following experiment, with some weird results :
>
>1. Got a ferrite toroid, 35 mm OD, 21 mm ID, 15 mm height.
>2. Wound a 13 turn bifilar coil, 24 AWG wire.
>3. Wound another 13 turn normal coil, 24 AWG wire.
>4. Connected the bifilar coil to an RF generator.
>5. Connected the other coil to the osciloscope.
>
>Results :
>
>- I found one frequency "F" where the output was "F x 3". Why ?
>
>- If I connect the generator to the non-bifilar coil, that same frequency was
> seeing at the output. So, F in = F out.
>
>- That frequency ( 6 MHz ) seems to be the toroid ressonant frequency.
>
>Ideas ?
>
>Marcelo
>
>
------------------------------------------------------------
|| Come ride The River ------- http://www.theriver.com/ ||
------------------------------------------------------------