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Piston Attenuator?

Discussion in 'Electronic Design' started by Somebody, Feb 24, 2010.

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  1. Somebody

    Somebody Guest

    I'm seeking tutorial and /or building instructions for a piston
    attenuator which is a short waveguide operating well below
    cut-off and is capable of an easily calibrated (by mechanical vernier)
    attenuation factor.

    AIUI, these were commonly used in valved signal generators.
    Any info anywhere?
  2. Baron

    Baron Guest

    Somebody Inscribed thus:
    Some of the "Marconi" sig gens used those attenuators.
  3. Somebody

    Somebody Guest

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