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Termination Insensitive Amplifier with AGC: Time to Upgrade your BiTx?

Discussion in 'Videos and Podcasts' started by VK3HN, Nov 24, 2021.

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  1. VK3HN

    VK3HN Ham Member QRZ Page



    This experiment to give Wes Hayward's (W7ZOI) Termination Sensitive Amplifier an AGC prompted Wes to do a re-think of this iconic amplifier design. Here, Wes' famous modified amplifier block is prototyped. Could it be time to upgrade your BiTx or uBiTx transceiver with a true, IF-based dynamic gain stage?

    Termination Sensitive Amplifier with AGC, by Wes Hayward W7ZOI:
    http://w7zoi.net/tia+agc.pdf

    My original experiment:


    My original blog post:
    https://vk3hn.wordpress.com/2021/08/04/agc-for-a-termination-insensitive-amplifier/

    TIA on Soldersmoke:
    http://soldersmoke.blogspot.com/2021/08/adding-automatic-gain-control-to.html
     

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