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.
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.
Amphenol / SV Microwave U.FL-to-VITA Cable Assemblies, available from Mouser, provide compact, high-performance RF…
Amphenol / SV Microwave U.FL-to-VITA Cable Assemblies, available from Mouser, provide compact, high-performance RF connectivity for dense VPX plug-in cards, embedded computing systems, and precision test environments. Watch and learn all about their features, specs, applications, and more!
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.
The new devices provide compact C-band filtering options for 5G RF front-end designs from 3,300 MHz to 5,000 MHz.
The new devices provide compact C-band filtering options for 5G RF front-end designs from 3,300 MHz to 5,000 MHz.
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.
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.
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