This article explores how combining signal and noise power reveals how the FM system’s output SNR scales with carrier amplitude and modulation index.
This article explores how combining signal and noise power reveals how the FM system’s output SNR scales with carrier amplitude and modulation index.
Bob Yannes built a three-voice analog synthesizer onto one die in 1982, and its imperfect filter became the signature…
Bob Yannes built a three-voice analog synthesizer onto one die in 1982, and its imperfect filter became the signature sound of an era.
This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel…
This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel into 4-ohm speakers using STMicroelectronics' STA540 audio amplifier IC.
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.
Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated…
Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated signal conditioning for RTDs, thermocouples, and strain gauges.
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.
Signetics packed a VCO and phase detector into one 14-pin part, turning a daunting feedback technique into something an…
Signetics packed a VCO and phase detector into one 14-pin part, turning a daunting feedback technique into something an ordinary engineer could build.
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors,…
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors, hydrophones, guitar pickups, microphones, and turntables.
The Cortex-M23 microcontroller pairs metrology-grade signal acquisition with an LCD driver and Class-D voice output in a…
The Cortex-M23 microcontroller pairs metrology-grade signal acquisition with an LCD driver and Class-D voice output in a single LQFP128 package.
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.
Analog Devices EVAL-ADMX6001 Evaluation Board (ADMX6001-EBZ) is a high-performance reference platform for evaluating…
Analog Devices EVAL-ADMX6001 Evaluation Board (ADMX6001-EBZ) is a high-performance reference platform for evaluating ultra-wideband, low-noise data acquisition systems. Watch and learn all about their features, specs, applications, and more!
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.
Learn how to build a constant-bandwidth band-pass filter covering 20 kHz to 60 kHz, with an integrated frequency counter…
Learn how to build a constant-bandwidth band-pass filter covering 20 kHz to 60 kHz, with an integrated frequency counter for precise tuning.
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3…
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.
Cirrus Logic introduced nine new 32-bit ADCs, DACs, and codecs for pro and prosumer audio systems with 115 dB dynamic range.
Cirrus Logic introduced nine new 32-bit ADCs, DACs, and codecs for pro and prosumer audio systems with 115 dB dynamic range.
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.
Created by Philips and Mullard in 1963, the BC109 was the low-noise member of a transistor family that dominated European…
Created by Philips and Mullard in 1963, the BC109 was the low-noise member of a transistor family that dominated European electronics for two decades and later became a sought-after component in guitar effects.
PLL lock doesn't mean your phase timing is trustworthy. Learn why AC synchronization systems need measured, validated…
PLL lock doesn't mean your phase timing is trustworthy. Learn why AC synchronization systems need measured, validated phase references—not just loop convergence.