What does DC coupled amplifier and AC coupled amplifier exactly mean? What are the differences between them and when to use which one? - Quora
![oscilloscope - What is the typical value of a scope's blocking capacitor used in AC coupling? - Electrical Engineering Stack Exchange oscilloscope - What is the typical value of a scope's blocking capacitor used in AC coupling? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/W0Ocp.png)
oscilloscope - What is the typical value of a scope's blocking capacitor used in AC coupling? - Electrical Engineering Stack Exchange
![measurement - Oscilloscope coupling and effects on the measured signal - Electrical Engineering Stack Exchange measurement - Oscilloscope coupling and effects on the measured signal - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/kggky.png)