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RF Tension Follower

Discussion in 'General Electronics' started by David Moreno, Jun 6, 2004.

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  1. David Moreno

    David Moreno Guest

    Hi All !

    I'm trying to do a simple tension follower for frecuency
    up to 100MHz. Actually I'm using a BF998 with a R=1k attached
    to the source, but i'm observing that the tension output not
    resembles very well the tension input (about a 1/3 attenuation)
    , Is there any simple circuit for doing an analog tension follower (high
    input impedance) that works at high frecuencies ?

    Thanks a lot !
  2. jerrykrinock

    jerrykrinock Guest

    Note: For USA engineers, translate "tension" to "voltage".

    Also, I believe the specific circuit you are referring to is an
    "emitter follower".

    1K ohms is a little high for 100 MHz. Try 330 ohms and see if it gets
  3. David Moreno

    David Moreno Guest

    Ops!, Sorry =D
    That's right, an emitter followe is also refered as voltage follower
    and common colector circuits.
    Yep, thanks ! =D
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