DC biasing an AC signal

[Resistanceisfutile]

I'm new to biasing. I just wondered, after an AC signal has been biased (this is where it gets offsetted in voltage so it is never below 0v right?), can a coupling capacitor remove the DC bias completely?

 

[esp1]

hi,
A coupling capacitor will remove the DC bias from one stage to another.
E

 

[Truedeal]

In series with the signal path it will block the DC component of the signal. Be sure to use a capacitor suitable for passing
AC Voltage.