A secondary printed circuit board that connects directly to a main board, usually without cables. It expands or isolates specific functions, such as power delivery, audio processing or wireless communication, keeping the main board simpler and easier to upgrade.
Heard on the job
The RF section is on a separate daughterboard so we can swap it out for different regional frequencies.
Insider tip
Using daughterboards allows designers to spin a small, cheap module for revisions instead of replacing a massive, expensive main board.
Also heard as
- Daughtercard
- Mezzanine board