Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.
Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.
This article describes the bridge-amplifier configuration and explains why it’s especially handy when you don’t have…
This article describes the bridge-amplifier configuration and explains why it’s especially handy when you don’t have a negative voltage supply.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert…
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert this data into an analog signal without overburdening the CPU.
In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that…
In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that contain more than one ideal diode in conjunction with resistors and DC power sources.
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical…
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.
Mentioned in the previous article, the first of two most commonly used operational amplifiers, the inverting…
Mentioned in the previous article, the first of two most commonly used operational amplifiers, the inverting configuration is heavily used in audio mixers or digital-to-audio converters. In this article, we will discuss the second amplifier configuration, known as the non-inverting amplifier.
Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the…
Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the DAC’s sampling rate.
The new development board features a 32 MHz Quark and a host of features at a $14.95 price tag.
The new development board features a 32 MHz Quark and a host of features at a $14.95 price tag.
Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In…
Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In this article, we will discuss one of two amp configurations that are most widely used.
One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will…
One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will see that almost anything can be done using an op-amp. It is also notable that this integrated circuit has many characteristics that approach those that are considered to be ideal.
In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between…
In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between communication methods that do and do not use modulation.
In this article, we will look at two variations on the basic BJT current-buffering circuit.
In this article, we will look at two variations on the basic BJT current-buffering circuit.
Test-driven development (TDD) is an iterative process for writing software, where the unit tests are developed just…
Test-driven development (TDD) is an iterative process for writing software, where the unit tests are developed just before the implementation. TDD isn't used widely in embedded software, but it's the best way to get started with unit testing.
This project explains how to isolate signals to eliminate ground loops in electronic systems.
This project explains how to isolate signals to eliminate ground loops in electronic systems.
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
The transient response of a negative-feedback amplifier can help us to understand the nature of stability and convey…
The transient response of a negative-feedback amplifier can help us to understand the nature of stability and convey useful information about the stability characteristics of a particular circuit.
A simple “break-the-feedback-loop” simulation technique makes for convenient stability analysis, especially with…
A simple “break-the-feedback-loop” simulation technique makes for convenient stability analysis, especially with complex circuits.
A introduction to adaptive echo cancellers using Matlab simulation.
A introduction to adaptive echo cancellers using Matlab simulation.