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.
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.
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.
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.
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.
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.
Learn how a varactor diode's variable capacitance, together with an LC tank circuit, can drive a voltage-controlled…
Learn how a varactor diode's variable capacitance, together with an LC tank circuit, can drive a voltage-controlled oscillator (VCO) to create FM waveforms.
In this article, we examine a reactance modulator design that employs the variable capacitance of a bipolar junction…
In this article, we examine a reactance modulator design that employs the variable capacitance of a bipolar junction transistor to modulate the output of a Colpitts oscillator.
We explore the implementation and design equations of the second-harmonic peaking amplifier.
We explore the implementation and design equations of the second-harmonic peaking amplifier.
This technical brief attempts to dispel some of the fog surrounding the three-character naming convention used to…
This technical brief attempts to dispel some of the fog surrounding the three-character naming convention used to describe ceramic caps.
Learn about calculating the activation energy of the aging process and some of the contradictory opinions about the…
Learn about calculating the activation energy of the aging process and some of the contradictory opinions about the Arrhenius equation's usefulness when predicting a crystal's aging process.
Learn about the aging and stability challenges for electric components due to temperature and time using quartz crystals,…
Learn about the aging and stability challenges for electric components due to temperature and time using quartz crystals, as well as applying the extrapolation method, aging equation, and Arrhenius equation.
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative…
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative resistance” or “oscillation allowance”.
In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the…
In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the switched-capacitor circuit.
Learn a method of attaining convergence when simulating very high Q crystal oscillators using Cadence’s Virtuoso…
Learn a method of attaining convergence when simulating very high Q crystal oscillators using Cadence’s Virtuoso Periodic Steady State (PSS) analysis.
Learn about the Sulzer network, an alternative to classic R-C networks that is easier to tune over wide frequency ranges.
Learn about the Sulzer network, an alternative to classic R-C networks that is easier to tune over wide frequency ranges.
If you're looking to get a better handle on how to read schematics, this helpful guide will give you a head start.
If you're looking to get a better handle on how to read schematics, this helpful guide will give you a head start.
How can reactive elements affect phase shift in an LC circuit? Learn more about phase shift in analog design.
How can reactive elements affect phase shift in an LC circuit? Learn more about phase shift in analog design.
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when…
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems.
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