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.
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.
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.
This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing…
This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing relationships.
We explore the design and functionality of a digital shift register intended for use in mixed-signal circuit simulations.
We explore the design and functionality of a digital shift register intended for use in mixed-signal circuit simulations.
Customizing the device parameters of LTspice's logic gates and flip-flops can help you more accurately simulate these…
Customizing the device parameters of LTspice's logic gates and flip-flops can help you more accurately simulate these components. This article walks through the specification process and provides some helpful tips.
This article explains how to successfully integrate logic gates into an LTspice simulation.
This article explains how to successfully integrate logic gates into an LTspice simulation.
In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.
In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.
SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn…
SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn where to find these models and how to use them.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power…
Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power dissipation and provides some helpful LTspice tips for measuring current and power.
When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to…
When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to simulate these currents in LTspice.
With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.
With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to…
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to characterize a PA's performance by analyzing load lines and estimating the load-pull contours of constant output power.
This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT)…
This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. In Part 3, we cover the manufacturing, assembly, and product testing of the board.
In this four-part series, we walk through the development of the Anthilla Controller, an open-source Internet of Things…
In this four-part series, we walk through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. Part 2 explains the process and requirements of obtaining an open-source hardware certification.
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4…
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.
Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can…
Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can help you do both.
This article uses SPICE simulations to explain the functionality of hysteresis based on positive feedback in a comparator circuit.
This article uses SPICE simulations to explain the functionality of hysteresis based on positive feedback in a comparator circuit.
In this article, we use voltage waveforms to explore the electrical behavior of key subcircuits within a CMC buck converter.
In this article, we use voltage waveforms to explore the electrical behavior of key subcircuits within a CMC buck converter.