In this article, we examine the filtering requirements of Class E power amplifiers with less-than-ideal Q-factors.
In this article, we examine the filtering requirements of Class E power amplifiers with less-than-ideal Q-factors.
This article, the first in a four-part series on moving from LTspice to QSPICE, introduces an LED blinker circuit that…
This article, the first in a four-part series on moving from LTspice to QSPICE, introduces an LED blinker circuit that we’ll simulate with both programs.
In this article, we analyze the operation of the Class E amplifier and examine the underlying assumptions of its design equations.
In this article, we analyze the operation of the Class E amplifier and examine the underlying assumptions of its design equations.
Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an…
Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an accelerometer module for motion control input.
Designing a Class E RF amplifier? Learn how to choose the correct level of damping and calculate the optimum component…
Designing a Class E RF amplifier? Learn how to choose the correct level of damping and calculate the optimum component values for your circuit.
Class E RF amplifiers are designed to produce switch waveforms with a specific set of characteristics. In this article,…
Class E RF amplifiers are designed to produce switch waveforms with a specific set of characteristics. In this article, we discuss the advantages and limitations of these waveforms.
Learn how Class E amplifiers improve on the efficiency of Class D amplifiers at RF frequencies.
Learn how Class E amplifiers improve on the efficiency of Class D amplifiers at RF frequencies.
For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and…
For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.
In this article, we’ll learn about the transformer-coupled current-switching Class D amplifier. Once we understand its…
In this article, we’ll learn about the transformer-coupled current-switching Class D amplifier. Once we understand its operation, we'll compare its performance with two voltage-switching Class D configurations.
In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer…
In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer project for the Science Fair 65-in-1 kit.
In this article, we'll learn how the transformer-coupled voltage-switching Class D amplifier works and highlight some of…
In this article, we'll learn how the transformer-coupled voltage-switching Class D amplifier works and highlight some of its advantages.
Learn how to turn an nRF52 development kit into a Bluetooth Low Energy beacon that broadcasts either static or dynamic…
Learn how to turn an nRF52 development kit into a Bluetooth Low Energy beacon that broadcasts either static or dynamic custom data.
In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.
In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.
Learn how to implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on…
Learn how to implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on an Altera CPLD development board connected to a custom PCB with input switches and an LED display.
With the help of SPICE simulations, this article explores the impact of diode reverse recovery on Class D amplifier performance.
With the help of SPICE simulations, this article explores the impact of diode reverse recovery on Class D amplifier performance.
Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.
Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.
Learn about Wi-Fi HaLow, a long-range, low-power wireless standard for IoT applications.
Learn about Wi-Fi HaLow, a long-range, low-power wireless standard for IoT applications.
In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.
In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.
In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B…
In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B amplifiers.
The common-drain amplifier is a single-stage configuration that uses the gate as its input and the source as its output.…
The common-drain amplifier is a single-stage configuration that uses the gate as its input and the source as its output. Learn about its small-signal characteristics in this article.
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