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.
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.
Accelerator-based computing brings faster load changes, higher current density, and tighter thermal constraints,…
Accelerator-based computing brings faster load changes, higher current density, and tighter thermal constraints, requiring updates to rectifiers, DC/DC conversion, and battery backup.
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.
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.
The FCE870X and FME170X share the same high-end feature set across two package formats, giving product teams a choice…
The FCE870X and FME170X share the same high-end feature set across two package formats, giving product teams a choice between embedded and modular designs.
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.
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.
The new 8-GHz active differential probe and vector signal analysis software target PCIe, DDR, USB, Ethernet, Wi-Fi, LTE,…
The new 8-GHz active differential probe and vector signal analysis software target PCIe, DDR, USB, Ethernet, Wi-Fi, LTE, and 5G signal analysis.
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.
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.
The family replaces cascaded switch architectures, reducing component count, improving signal integrity, and supporting…
The family replaces cascaded switch architectures, reducing component count, improving signal integrity, and supporting operation from 50 MHz to 10 GHz.
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.
Thread Group and Broadband Forum are partnering to unify IoT mesh with broadband infrastructure. Also, the new Thread…
Thread Group and Broadband Forum are partnering to unify IoT mesh with broadband infrastructure. Also, the new Thread Tools app launches to provide real-world network diagnostics for engineers.
In this article, we analyze how bandpass filtering affects the power spectral density (PSD) of noise and explore how…
In this article, we analyze how bandpass filtering affects the power spectral density (PSD) of noise and explore how noise can be described by in-phase and quadrature components.
Broadcom’s high-integration Wi-Fi 8 & NPU-accelerated 50G PON gateway SoCs aim to build a cohesive, 50 Gbps broadband…
Broadcom’s high-integration Wi-Fi 8 & NPU-accelerated 50G PON gateway SoCs aim to build a cohesive, 50 Gbps broadband access ecosystem for the AI-infused home.
In this article, we'll learn about several key applications of PLLs in communication systems, including tracking filters,…
In this article, we'll learn about several key applications of PLLs in communication systems, including tracking filters, frequency and phase modulation, and FM and AM demodulation.
Whether designing modulation schemes or modeling entropy, engineers are still guided by Hartley's principle that…
Whether designing modulation schemes or modeling entropy, engineers are still guided by Hartley's principle that information can and must be measured.
Facebook
Google
GitHub
Linkedin