Latest Oscillators Articles and Videos

Learn how adding a lowpass loop filter to a PLL with a single integrator impacts both the frequency-domain and…

Learn how adding a lowpass loop filter to a PLL with a single integrator impacts both the frequency-domain and time-domain response.

With an eye on aerospace and defense applications, SiTime designed the new oscillator—announced today—with…

With an eye on aerospace and defense applications, SiTime designed the new oscillator—announced today—with multi-layer reliability for GNSS receivers.

In this article, we'll use the linearized model of a first-order PLL to understand its response to a simple input change.…

In this article, we'll use the linearized model of a first-order PLL to understand its response to a simple input change. We'll then use Matlab simulations to visualize the signals.

In this article, we'll use a nonlinear mathematical model to improve our understanding of how a first-order PLL locks to a signal.

In this article, we'll use a nonlinear mathematical model to improve our understanding of how a first-order PLL locks to a signal.

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.

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.

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.

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.

In this article, we'll introduce the fundamental concepts of direct FM generation and examine a key FM modulation…

In this article, we'll introduce the fundamental concepts of direct FM generation and examine a key FM modulation circuit: the reactance modulator.

In this article, we’ll use phasor diagrams to compare narrowband FM and conventional AM. We’ll also discuss the…

In this article, we’ll use phasor diagrams to compare narrowband FM and conventional AM. We’ll also discuss the problem of oscillator phase noise and work through an example problem.

Announced today, the new software works with SiTime hardware to create the most accurate and reliable data center,…

Announced today, the new software works with SiTime hardware to create the most accurate and reliable data center, networking, and communications timing system.

Using a simple example, this article examines the frequency spectra of frequency-modulated (FM) and phase-modulated (PM)…

Using a simple example, this article examines the frequency spectra of frequency-modulated (FM) and phase-modulated (PM) waves for a low modulation index.

Unveiled today, the new timing chips from Mixed-Signal Devices offer 2 GHz performance and use scalable CMOS to overcome…

Unveiled today, the new timing chips from Mixed-Signal Devices offer 2 GHz performance and use scalable CMOS to overcome the limits of analog alternatives.

We examine RF demodulation circuits used for both double-sideband suppressed carrier (DSB-SC) signals and double-sideband…

We examine RF demodulation circuits used for both double-sideband suppressed carrier (DSB-SC) signals and double-sideband signals with a carrier.

The new solution merges the benefits of a crystal oscillator and an atomic clock into one uniform package.

The new solution merges the benefits of a crystal oscillator and an atomic clock into one uniform package.