I enjoy seeing modules that can make designing other devices easier, and when I did a call for design reviews, [enp6s0] has submitted one such board to us. It’s a module called TinySparrow (G… ...

In addition to packing Bluetooth and 1 MB of Flash, ... the rest of the board could be produced with cheaper 2-layer methods. ... 11 thoughts on “ How To Design A BGA Breakout Module ” ...

The 2-layer PCB’s design (Fig. 1) provides more surface area for housing a conductor pattern. It can safely be said that the surface is two times larger than that of a single-layer PCB.

Likewise, the pin of press-fit connector used on PXI-Express module has the similar negative impact on channel bandwidth. Hence, designers ought to choose the press-fit connector with the pin as short ...