Latest Communication Technical Articles

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422…

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422 and RS-485 data links.

Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how…

Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how this difference boosts baseband power to double the output SNR.

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance…

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.

In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband…

In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband suppressed-carrier communication system.

Learn how PLLs enable communication in which a clock signal is not transmitted with the data. We’ll look specifically…

Learn how PLLs enable communication in which a clock signal is not transmitted with the data. We’ll look specifically at return-to-zero (RZ) and non-return-to-zero (NRZ) data formats.

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth…

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth of FM signals. We'll also compare the modulation index in AM and FM schemes.

Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.

Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available…

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.

Learn about measuring the noise figure (NF) using the Y factor method. We'll dive into using this to find the noise…

Learn about measuring the noise figure (NF) using the Y factor method. We'll dive into using this to find the noise factor, how to calibrate for noise temperature, and much more.

Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how…

Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how it communicates with devices.

Learn about voltage standing wave ratio (VSWR), return loss, and mismatch loss, which helps characterize the wave…

Learn about voltage standing wave ratio (VSWR), return loss, and mismatch loss, which helps characterize the wave reflections in a radio frequency (RF) design.

What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?

What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.

How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog…

How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog and digital IQ approaches.

In this article, we’ll look at different EV charging modes specified by the International Electrotechnical Commission (IEC).

In this article, we’ll look at different EV charging modes specified by the International Electrotechnical Commission (IEC).

Learn the basics of the ultra-wideband short-range wireless protocol, a technology that can be found in cutting-edge devices.

Learn the basics of the ultra-wideband short-range wireless protocol, a technology that can be found in cutting-edge devices.

Learn about the terahertz band, its properties, and the applications where it's finding utility.

Learn about the terahertz band, its properties, and the applications where it's finding utility.

Learn more about EV charging connectors and standards in this overview.

Learn more about EV charging connectors and standards in this overview.

Electric vehicle design is a complex concept. Here's a look at the heart of every EV: the battery.

Electric vehicle design is a complex concept. Here's a look at the heart of every EV: the battery.