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.
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.
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.
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.
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.
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.
In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also…
In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also examine the Class D stage's power supply requirements.
Developed in the mid-1970s, National Semi’s LM386 collapsed a complete audio output stage into a single DIP-8 package…
Developed in the mid-1970s, National Semi’s LM386 collapsed a complete audio output stage into a single DIP-8 package running off a 9-V battery—and it became the first amplifier most hobbyists ever built.
The dual operational amplifier offers 20-µV precision across a wide 36-V supply range, eliminating the need for complex…
The dual operational amplifier offers 20-µV precision across a wide 36-V supply range, eliminating the need for complex compensation in industrial and automotive signal chains.
In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo…
In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo amplifier design.
We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.
We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.
The new CMOS op amps combine low offset voltage, low noise, and 10-V/μs slew rate for flexible precision design.
The new CMOS op amps combine low offset voltage, low noise, and 10-V/μs slew rate for flexible precision design.
This article explores the operation of the Gilbert-cell phase detector for both small and large signals.
This article explores the operation of the Gilbert-cell phase detector for both small and large signals.
This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.
This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.
This article explores the Gilbert cell, a widely used analog multiplier circuit.
This article explores the Gilbert cell, a widely used analog multiplier circuit.
Mini-Circuits ZX60 Low Noise Amplifiers (LNAs) are engineered to amplify weak RF signals with high gain and a low noise…
Mini-Circuits ZX60 Low Noise Amplifiers (LNAs) are engineered to amplify weak RF signals with high gain and a low noise figure, ensuring exceptional signal integrity across a wide frequency range. Watch and learn all about their features, specs, applications, and more!
The audio capture chip leverages Triad's current conveyor architecture to deliver a 156-dB input capture range from dual inputs.
The audio capture chip leverages Triad's current conveyor architecture to deliver a 156-dB input capture range from dual inputs.
The zero-drift TSZ901 brings microvolt-level offset and 10-MHz bandwidth to sensor interfaces and current measurement.
The zero-drift TSZ901 brings microvolt-level offset and 10-MHz bandwidth to sensor interfaces and current measurement.
Nisshinbo NL9620 Precision Instrumentation Amplifiers delivers highly accurate, low-noise signal amplification designed…
Nisshinbo NL9620 Precision Instrumentation Amplifiers delivers highly accurate, low-noise signal amplification designed for demanding measurement and sensing applications. Watch and learn all about their features, specs, applications, and more!
ADI built the new dual amplifier to improve low-power, single-supply designs.
ADI built the new dual amplifier to improve low-power, single-supply designs.
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