Schematic

(Click on schematic to enlarge)

Parts Placement

(Click on diagram to enlarge)

PCB Eagle Files

I used the Eagle layout editor for the project and the associated Eagle files are here:

PCB Gerber Files

Here is a zip file that was submitted to Sunstone Circuits for production of the boards. Take a look at the "readme" file in the zip file for some interesting information.

Circuit Theory

If anyone truly wants a description of the circuit, I'll be glad to write it!