The enc28j60 is an ethernet module with an SPI interface. This project includes the gerber files, BOM, and pick and place files for a SMT only enc28j60 board. On the raspberry pi, speeds up to 4Mb/ ...

This article details the design and manufacturing process of a compact module fed through a transition between a grounded coplanar waveguide (GCPW) input line and an air-filled (AF) waveguide ...