How Not to Break your Software-defined Radio (SDR) Hardware – Part 1
We discussed a few different Software-defined Radios on the market in a previous post. Once you get your SDR and have it up and running, there are a few precautions …
What is a Bias Tee?
Updated April 2022 A bias tee or Bias-T is one of the most useful Software-defined Radio (SDR) accessories you have likely never heard of. Low Noise Amplifiers are used to …
What is Software-defined Radio used for?
Software-defined Radio technologies have become increasingly accessible these days with low-cost devices ranging in price between $20 and $300 and offering varying levels of performance. Here is a list describing …
Should I place a Low Noise Amplifier Before or After a Filter?
Most Software-defined Radios operate over a large frequency range. The RTL-SDR for instance can operate from 500 kHz to 1.7 GHz while the HackRF can operate from 1 MHz to …
An Introduction to Low Noise Amplifier Specifications
A Low Noise Amplifier (LNA) is an electronic device that amplifies weak signals at its input without adding significant noise to the output signal. Such amplifiers are typically used in …