The phase-locked loop (PLL) is widely used in contemporary analog and digital communication systems. In this article, we develop a nonlinear model for the analog…
The phase-locked loop (PLL) is widely used in contemporary analog and digital communication systems. In this article, we develop a nonlinear model for the analog PLL by analyzing its key components.
The dual-phase trans-inductance voltage regulator modules aim to bring compact, high-efficiency power to AI and HPC workloads.
The dual-phase trans-inductance voltage regulator modules aim to bring compact, high-efficiency power to AI and HPC workloads.
Learn how an analog multiplier or AND gate can function as a quadrature detector for FM demodulation.
Learn how an analog multiplier or AND gate can function as a quadrature detector for FM demodulation.
Released in 1968 by Fairchild, the µA741 brought internal frequency compensation and short-circuit protection to the…
Released in 1968 by Fairchild, the µA741 brought internal frequency compensation and short-circuit protection to the op-amp world.
It's almost time for you to join us for the 4th day of the 2025 All About Circuits Summit Series. Check out our handy…
It's almost time for you to join us for the 4th day of the 2025 All About Circuits Summit Series. Check out our handy guide to learn about the amazing free content available from industry-leading companies and experts.
Learn how the Foster-Seeley discriminator, a classic analog circuit for FM demodulation, achieves its superior linearity.
Learn how the Foster-Seeley discriminator, a classic analog circuit for FM demodulation, achieves its superior linearity.
In this article, we'll analyze the single-tuned discriminator for FM-to-AM conversion. We'll then discuss the balanced…
In this article, we'll analyze the single-tuned discriminator for FM-to-AM conversion. We'll then discuss the balanced discriminator and how it provides improved linearity across a wider bandwidth.
Born from a minimalist design brief in 1971, the NE555 delivered edge-triggered timing, pulse generation, and oscillation…
Born from a minimalist design brief in 1971, the NE555 delivered edge-triggered timing, pulse generation, and oscillation in one compact package, earning a place in everything from washing machines to rocket launchers.
In this article, we will examine the basic principles of FM demodulation through the simplest frequency discriminator: a…
In this article, we will examine the basic principles of FM demodulation through the simplest frequency discriminator: a differentiator.
Siemens claims the new software allows users to test analog circuitry in integrated circuits up to 100 times faster than…
Siemens claims the new software allows users to test analog circuitry in integrated circuits up to 100 times faster than traditional methods.
In this article, we'll solidify our understanding of the reactance modulator and Armstrong modulator circuits by working…
In this article, we'll solidify our understanding of the reactance modulator and Armstrong modulator circuits by working through a series of design problems.
Infineon designed the two new digital PDM microphones for high-quality audio capture in demanding and space-constrained…
Infineon designed the two new digital PDM microphones for high-quality audio capture in demanding and space-constrained environments.
This article explores the concept of indirect FM generation and the basic operation of the Armstrong modulator.
This article explores the concept of indirect FM generation and the basic operation of the Armstrong modulator.
Built for battery-operated devices, the new CMOS op amp enables ultra-efficient signal conditioning in wearables, IoT,…
Built for battery-operated devices, the new CMOS op amp enables ultra-efficient signal conditioning in wearables, IoT, and compact sensing applications.
Are you a first year electronics engineering student? Or maybe working on a second or third degree in this field? All…
Are you a first year electronics engineering student? Or maybe working on a second or third degree in this field? All About Circuits has the resources you need: comprehensive textbooks, technical articles, calculators, videos, and more for your EE studies.
Announced today, SiTime is expanding into a $4 billion resonator market with its Titan platform.
Announced today, SiTime is expanding into a $4 billion resonator market with its Titan platform.
In this article, we examine two different methods of producing wideband FM signals. Both use crystal oscillators to…
In this article, we examine two different methods of producing wideband FM signals. Both use crystal oscillators to provide improved frequency stability.
From AI glasses to earbuds to long-range Bluetooth audio, three new product wins highlight how MEMS and RF front-end…
From AI glasses to earbuds to long-range Bluetooth audio, three new product wins highlight how MEMS and RF front-end technologies are reshaping wireless sound.
The new timing solutions bring precise synchronization to harsh or signal-denied environments.
The new timing solutions bring precise synchronization to harsh or signal-denied environments.
In this article, we explore the limitations of LC oscillators for direct FM generation and how to deal with them using…
In this article, we explore the limitations of LC oscillators for direct FM generation and how to deal with them using multipliers and automatic frequency control (AFC) circuits.