Introduction: This repository covers the design of a simple, low-cost software defined radio (SDR) receiver to be used in conjunction with Quisk, a free open source SDR software. This project was created in partial fulfillments of ENGR 357 "Engineering Electronics II" at Walla Walla University. I worked with Konrad McClure to build our (5.000 MHz - 10.000 MHz) radio receiver. For more information on the theory and circuit design, please see the wiki.
Credits: As mentioned previously, I completed this project with fellow ENGR 357 student, Konrad McClure. We also recived a lot of help from, Dr. Rob Frohne, our professor. The files in the IQ_SDR repository have been forked from his repository: (https://github.com/frohro/).
Status of My Project: Currently, my clock generator (SI5351) is broken and I am waiting to get some more another one in the mail before I continue testing. I hope to recieve these ICs by the end of the week. I have tested each of the components of my circuit and even hooked it up to Quisk for a short time, but I haven't been able to take final result measurement or tune into a station. My project partner, Konrad McClure, currently has a working reciever.
Contact Information: I hope this information helps you learn more about radio reciever design. If you have any questions, feel free to contact me by email at: Caleb.Froelich@wallawalla.edu. All the best in your electronics endeavors!
UPDATE (Aug. 2020): My project partner and I (along with our professor and another two Electrical Engineering students (Jordyn Watkins and Josh Silver) wrote a paper that was featured in the 39th Annual ARRL and TAPR Digital Communications Conference, SolderSmoke, and is being translated into spanish to be published in the Unión de Radioaficionados Españoles (URE) journal, a national Spanish amateur radio association. A video of our presentation at the TAPR DCC can be found on my YouTube channel here.