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