In this article, we’ll discuss MOSFET small-signal output resistance as we make our way toward predicting the gain of the actively loaded differential pair.
In this article, we’ll discuss MOSFET small-signal output resistance as we make our way toward predicting the gain of the actively loaded differential pair.
In this article, we’ll discuss two benefits of using an active load: improved biasing conditions and…
In this article, we’ll discuss two benefits of using an active load: improved biasing conditions and differential-to-single-ended conversion.
Learn about a fairly simple yet highly beneficial modification to the drain-resistor-based version of the MOSFET…
Learn about a fairly simple yet highly beneficial modification to the drain-resistor-based version of the MOSFET differential pair.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
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.
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.
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of…
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of FIR filters over IIR designs, e.g. stability and linear-phase response. Finally, we'll go over an introduction to designing FIR filters via the window method.
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.
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.
Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements,…
Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify signals!
In this article we’ll use the SAM4S Xplained Pro development platform to get some hands-on experience with a PWM DAC.
In this article we’ll use the SAM4S Xplained Pro development platform to get some hands-on experience with a PWM DAC.
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing…
If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing more than a pulse-width-modulated signal and a low-pass filter.
If you choose to buffer with MOSFETs instead of BJTs, you need to consider the relationship between gate capacitance and…
If you choose to buffer with MOSFETs instead of BJTs, you need to consider the relationship between gate capacitance and instability.
The previous two articles focused on bipolar junction transistors. In this article, we’ll look at buffering with…
The previous two articles focused on bipolar junction transistors. In this article, we’ll look at buffering with MOSFETs instead of BJTs.
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.
Op-amps become even more versatile if you can use them in high-current applications. In this article, we will look at a…
Op-amps become even more versatile if you can use them in high-current applications. In this article, we will look at a basic current-buffering circuit.
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an…
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an EFM8 microcontroller, a DAC, and the MAX31855 thermocouple-to-digital converter.
Ever wanted to find out more about Class D amplification? Here's a handy breakdown.
Ever wanted to find out more about Class D amplification? Here's a handy breakdown.
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.