If you have a signal that passes through a capacitor or transformer, you will lose the DC portion of the signal. What do you do? If you need it, you can restore the DC bias using various ...

The input and ... RFFEM01C Front End Module operates from 24 – 30 GHz and can be used in low power Ka band application. The input and output are matched to 50 ohms with on-chip DC blocking capacitors.

It is common to see level restoration after DC blocking capacitors. However, transformers are another common case where you lose DC signal information. His examples are also good illustrations of ...