SRF Exciter Circuit

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Uploaded by on Jan 5, 2012

For this test I'm using a Dr Stiffler type circuit to find the SRF of a coil.
This will work with very large coil and also very small coils.
You will just have to retune it with the ferrite rod and the varitable capacitor.

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Education

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Uploader Comments (GBluer)

  • What current are you drawing from that battery ?

    bibiricat 2 months ago

  • @bibiricat

    Off a 1.5v battery it will run from 70uA to 40mA.

    GBluer 2 months ago in playlist Uploaded videos

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All Comments (4)

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  • I noticed that fellow, 7dayradio doesn't have the variable capacitors listed anymore. They sure are handy. Do you know of another source?

    KyleCarrington 2 months ago

  • very very neat. next on the list for sure!

    KyleCarrington 2 months ago

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