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Analog Technical Articles
Test & Measurement
Introduction to the Two-Cavity Klystron Amplifier
Klystron amplifiers are used in a variety of industries, including satellite systems, television broadcasting, radar, particle accelerators, and in the medical field. In this article, we'll learn about the two-cavity klystron's unique...
July 31, 2018
How to Select the Cutoff Frequency of Your Low-Pass Filter
This article provides some tips on how to fine-tune the characteristics of a low-pass filter.
June 29, 2018
What Is Electrical Noise and Where Does It Come From?
This article provides insight into the fundamental characteristics and origins of the electrical signals that you always have but almost never want....
June 21, 2018
Basics of Phase Truncation in Direct Digital Synthesizers
This article will discuss phase truncation in direct digital synthesizers.
June 20, 2018
Understanding the Dynamic Range Specification of an ADC
This article will discuss the dynamic range specification of an ADC.
June 11, 2018
PCB Layout for a Charge-Pump Bipolar Power Supply
In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.
May 28, 2018
Designing a Charge-Pump Bipolar Power Supply
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
May 16, 2018
The PNP Transistor: Characteristics and Applications
This article helps you understand what PNP transistors are, how they’re used, and why they’re less common than NPN transistors.
April 20, 2018
BJTs after Biasing: Analyzing BJTs with a Small-Signal Model
This article presents two circuits that can be used to analyze the small-signal behavior of a bipolar junction transistor.
April 10, 2018
Understanding the Early Effect
This technical brief discusses the Early effect and how it influences the amplification characteristics of a bipolar junction transistor....
April 02, 2018
PLL Frequency Multiplication: Transient Response and Frequency Synthesis
Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other frequency-multiplication topics in this article....
March 29, 2018
Understanding PLL Applications: Frequency Multiplication
This article explains how a PLL can be used to produce a high-frequency clock from a low-frequency reference signal.
March 26, 2018
Designing and Simulating an Optimized Phase-Locked Loop
In this article we’ll explore PLL transient-response optimization using simulations and a design example.
March 21, 2018
How to Optimize the Transient Response of a Phase-Locked Loop
In this article we’ll explore the mathematical relationships that will help you to design a PLL that quickly and smoothly locks onto the input frequency....
March 19, 2018
Understanding Phase-Locked Loop Transient Response
In this article we’ll use SPICE simulations to take a close look at how a phase-locked loop enters the locked state.
March 14, 2018
How to Simulate a Phase-Locked Loop
This article presents an LTspice circuit that can be used to explore the behavior of a phase-locked loop.
March 12, 2018
What Exactly Is a Phase-Locked Loop, Anyways?
This article introduces a phase-based feedback system that plays an important role in many applications.
March 09, 2018
How to Low-Pass Filter a Square Wave
This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal....
March 07, 2018
One Circuit, Three Bode Plots: The Omnifilter
This article, part of AAC’s Analog Circuit Collection, discusses a filter circuit that allows you to choose between a low-pass, a high-pass, and a band-pass response....
February 22, 2018
How to Monitor Current with an Op-Amp, a BJT, and Three Resistors
This article, part of AAC’s Analog Circuit Collection, explains the functionality of a clever circuit that accurately measures supply current....
February 19, 2018
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