![operational amplifier - Simplest automatic gain control circuit with BJT + op-amp - Electrical Engineering Stack Exchange operational amplifier - Simplest automatic gain control circuit with BJT + op-amp - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/a4Ai4.png)
operational amplifier - Simplest automatic gain control circuit with BJT + op-amp - Electrical Engineering Stack Exchange
ADI Wireless Seminar 2006 (Chapter VIII: Design and Operation of Automatic Gain Control Loops for Receivers in Modern Communica
![How Conventional AGC (Automatic Gain Control) works in receiver chain and its important parameters. - Techplayon How Conventional AGC (Automatic Gain Control) works in receiver chain and its important parameters. - Techplayon](http://techplayon.com/wp-content/uploads/2018/02/AGC-1.png)