Radio

• Jun
  23
  2015

  On-Off Keying (ASK) with SDR

  About a year ago I bought a HackRF from Great Scott Gadgets with the goal to learn more about radio and in particular software defined radio, SDR. Michael Ossmann of GSG has created a course in SDR which I started following which covers a lot of the basics. After completing the "hello world" of SDR, namely a FM radio receiver and listening to the episode about on-off keying, I started to think about what the next step for me would be. My family have a wireless doorbell which hasn't been installed yet. It seemed like a perfect candidate for learning more about on-off keying, OOK, or amplitude shift keying, ASK, which it is also called.

  Read more