Over at Stanford University, John Gill and Nicholas Broad have uploaded their foundation course on Analog and Digital Communication systems. This course covers the fundamental principles underlying the analysis, design, …

Read moreTake a course in Communications and SDR this Summer

A multimeter is one of the most basic instruments for testing. You can use it to test DC voltages, resistor values and as well circuit continuity. At OneSDR we use …

Read moreThe Best Multimeter for your SDR Lab in 2020

What’s the best way to learn about electronics? The internet presents us with a wide variety of free instructional material by way of YouTube videos, Blog posts, Tweets and Manufacturer’s …

Read moreLearning Basic Electronics

As we discussed in this article, filters are a key building block used for eliminating signals that can interfere with the operation of Software-defined radio. An FM notch filter for …

Read moreDesigning Filters

The Noise figure of an RF component such as a low noise amplifier or a mixer is a measure of how much it increases the noise in a system that …

Read moreWhat is Noise Figure?

Field programmable gate arrays (FPGAs) are a special type of integrated circuit that consists of logic gates and memory blocks that can be configured with code to implement digital computations. …

Read moreGetting started with FPGAs

Most software-defined radios on the market today are designed for communication applications. When receiving signals, they are used primarily for signal processing including demodulation and decoding. SDRs are not designed …

Read moreAn RF Signal Measurement Tool to complement your Software-defined Radio

How Does an EMF Detector Work and What Are The Applications? An EMF detector measures magnetic fields, electric fields and RF radiation through sensors. An EMF detector that measures these …

Read moreThe Best Electromagnetic Field (EMF) Detectors for 2020

When two RF signals are input to an RF component such as an LNA or a Mixer, it results in the creation of other mathematically-related, spurious signals. This is a …

Read moreWhat is IP3?

We’ve been reading news of oil tankers stranded in various places around the world on account of the Coronavirus pandemic which has been affecting the price of oil. The most …

Read moreOil Tankers Going Nowhere?