Learning Basic Electronics
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 …
Designing Filters
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 …
What is Noise Figure?
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 …
Getting started with FPGAs
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. …
An RF Signal Measurement Tool to complement your Software-defined Radio
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 …
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The Best Electromagnetic Field (EMF) Detectors for 2021
Updated January 2021 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 …
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What is IP3?
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 …
Oil Tankers Going Nowhere?
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 …
So… How Do I Get Started With Radio Frequency (RF)?
Exploring the different options available for learning about RF Almost all the 7.5 Billion people around the world rely on RF in some way, whether it be through their cell …
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Best Antennas for ADS-B Reception
Automatic dependent surveillance–broadcast (ADS-B) is wireless technology that enables aircraft to determine their position via satellite and periodically broadcast this location information. An ADS-B receiver can be used to decode this broadcast …