Here are the basic building blocks for my SDR Core Receiver. Lots of math to turn signal data into sounds that make sense. Read more
Tag: DSP
Watching Signal Amplitude – Why DFT Uses Windowing
Watching signal amplitude is easy on software defined radios. But accurate DFT displays need to be cleaned up with windowing. Here’s why and how. Read more
Red Pitaya Ham Radio Homebrew

Take the leap into Red Pitaya ham radio homebrew. Most of what you need for a DIY receiver or transceiver is on this amazing little device. Read more
Red Pitaya Programmable Hardware Community
Looking for a Christmas present in 2018? Check out the Red Pitaya programmable hardware solution for your electronics lab or software defined radio. It’s amazing. Read more
SDR FPGA – Moving Beyond the Blank Stare

Talking about SDR FPGA typically earns you a blank stare. Let’s move beyond that and consider the power unleashed by Field Programmable Gate Arrays. Read more
Modern SDR Architecture with Programmable Hardware
Put down your soldering iron. Build your next receiver using your keyboard. Modern SDR architecture makes this (almost) possible. Read more
SDR Programmable Hardware Paradigm
Ironically, SDR programmable hardware has really brought software defined radio to the next level. In this series, we’ll explore how this is done. And how you can do it yourself. Read more
Afedri AFE822x Arrives – Ordering and Unboxing
AFE822x arrives with everything you would expect. Ordering and shipping is fast. You will be using the radio in no time! Read more
AFE822x Design – Low Cost Dual Channel SDR
AFE822x design rocks. Its modern architecture includes a really neat Texas Instruments direct sampler, and an embedded ARM CPU for control and connectivity over USB or Ethernet. Read more
SDR Spatial Filtering Demo – Watch It Work
This GNURadio SDR spatial filtering demo shows how you can eliminate local RF interference using coherent sampling on two radio channels with different antennas. Read more