What is a DC Block?
A DC block is a passive device that’s used to prevent DC from crossing across the points between which it is connected while allowing the flow of RF signals. It …
How to fix a broken HackRF
HackRF tops our list as the best SDR. it’s very popular in the community on account of its excellent features, specifications and low cost. One of the most common reported …
Chaining Software-defined Radio accessories with a Bias Tee
Introduction The use of a bias tee was discussed in a couple of blog posts previously. The primary use of a bias tee in an SDR is to power a …
A Primer on RF Filters for Software-defined Radio
An RF filter is a hardware device that is used to limit signals in certain frequency bands while allowing signals of interest at other frequencies to pass through. Filters are …
Software-defined Radios and Bias Tees
We wrote about Bias Tees and their applications within the context of Software-defined Radios in a previous post. The primary use of a bias tee in SDR is to enable …