Latest Communication Articles and Videos

Simple first-order pre-emphasis and de-emphasis filters can boost FM receiver SNR by more than 13 dB by exploiting the…

Simple first-order pre-emphasis and de-emphasis filters can boost FM receiver SNR by more than 13 dB by exploiting the spectral differences between signal and noise.

Worked examples quantify just how much the FMFB loop shrinks noise bandwidth. We also show how the PLL demodulator offers…

Worked examples quantify just how much the FMFB loop shrinks noise bandwidth. We also show how the PLL demodulator offers a simpler alternative for reducing threshold.

Scaling down RF circuit footprints requires balancing board space against critical trade-offs. Discover how loading…

Scaling down RF circuit footprints requires balancing board space against critical trade-offs. Discover how loading methods and high-dielectric substrates impact Q factor and insertion loss.

While feedback lowers the FM detection threshold, it offers no noise advantage over conventional receivers when the…

While feedback lowers the FM detection threshold, it offers no noise advantage over conventional receivers when the carrier power is strong. Discover why in this discussion and mathematical analysis.

Touted as the first commercial CAN XL transceiver, the device offers 20 Mbps data rates, larger payloads, and CAN FD…

Touted as the first commercial CAN XL transceiver, the device offers 20 Mbps data rates, larger payloads, and CAN FD compatibility for industrial and robotic networks.

By closing a feedback loop around the demodulator, the FMFB architecture narrows the noise bandwidth and lowers the FM…

By closing a feedback loop around the demodulator, the FMFB architecture narrows the noise bandwidth and lowers the FM threshold, without improving SNR at high CNR.

Companies across industries are leveraging tech from NXP, MaxLinear and Nordic Semiconductor on automotive UWB,…

Companies across industries are leveraging tech from NXP, MaxLinear and Nordic Semiconductor on automotive UWB, accelerated OpenZFS storage, and low-power Bluetooth Mesh sensing.

Working through examples shows how the threshold effect reshapes FM design choices. See how ignoring it can undershoot…

Working through examples shows how the threshold effect reshapes FM design choices. See how ignoring it can undershoot the required carrier power by over 5x for the same target SNR.

Joaquin Torrecilla, Keysight’s VP of Software Transformation, joins the show to discuss the evolution of wireless…

Joaquin Torrecilla, Keysight’s VP of Software Transformation, joins the show to discuss the evolution of wireless tech—from early Bluetooth to LEO satellite lasers, RedCap, and AI-native 6G.

New chip weds advanced technology from Nuvoton and Klippel to create a high-performance audio solution for smart audio devices

New chip weds advanced technology from Nuvoton and Klippel to create a high-performance audio solution for smart audio devices

The standard FM SNR equation breaks down once the carrier-to-noise ratio drops below a critical threshold, revealing a…

The standard FM SNR equation breaks down once the carrier-to-noise ratio drops below a critical threshold, revealing a hard limit on trading bandwidth for noise performance.

Deriving a general signal-to-noise expression for frequency modulation with any message signal reveals a core trade-off:…

Deriving a general signal-to-noise expression for frequency modulation with any message signal reveals a core trade-off: more deviation buys better noise performance, but only by using more bandwidth.

Beyond touchscreens: Learn how physical feedback drives reliability in automotive, consumer, medical, and industrial…

Beyond touchscreens: Learn how physical feedback drives reliability in automotive, consumer, medical, and industrial electronics applications.

This article explores how combining signal and noise power reveals how the FM system’s output SNR scales with carrier…

This article explores how combining signal and noise power reveals how the FM system’s output SNR scales with carrier amplitude and modulation index.

Explore how frequency-modulated waves resist interference. We break down the demodulator architecture and derive the…

Explore how frequency-modulated waves resist interference. We break down the demodulator architecture and derive the exact output signal power for a sinusoidal message.

Envelope detection is simple, but that simplicity has a noise-performance cost. Here’s how much SNR conventional AM…

Envelope detection is simple, but that simplicity has a noise-performance cost. Here’s how much SNR conventional AM gives up compared to its coherent counterparts.

Using a graphical approach, we show that coherent SSB demodulation leaves the input and output SNR unchanged, then…

Using a graphical approach, we show that coherent SSB demodulation leaves the input and output SNR unchanged, then compare its noise performance to DSB-SC and baseband systems.

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.