In this four-part series, we walk through the development of the Anthilla Controller, an open-source IoT hardware platform. Part 1 introduces the project's…
In this four-part series, we walk through the development of the Anthilla Controller, an open-source IoT hardware platform. Part 1 introduces the project's specifications and explains key design decisions.
In this project we create an 8-bit arithmetic logic unit (ALU) in the VHDL language and run it on an Altera CPLD…
In this project we create an 8-bit arithmetic logic unit (ALU) in the VHDL language and run it on an Altera CPLD development board connected to a custom PCB with input switches and LED display.
Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our…
Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our application. In this article, we’ll learn about attenuation caused by conductor loss and dielectric loss.
Understanding the effect of dielectrics on transmission lines is an important aspect of many high frequency system…
Understanding the effect of dielectrics on transmission lines is an important aspect of many high frequency system designs. This article will introduce concepts like relative permittivity and loss tangent and describe how they affect the performance of transmission lines.
The distribution of AC currents in real conductors with finite dimensions and circular or rectangular cross-sections is…
The distribution of AC currents in real conductors with finite dimensions and circular or rectangular cross-sections is non-uniform. This article will discuss Faraday's law and how AC currents create eddy currents and current crowding in real conductors.
Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this…
Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.
This article introduces high-frequency conductor losses in transmission lines caused by a phenomenon known as the skin effect.
This article introduces high-frequency conductor losses in transmission lines caused by a phenomenon known as the skin effect.
This article will help you understand losses in high-frequency transmission lines that include traces on PCBs. We will…
This article will help you understand losses in high-frequency transmission lines that include traces on PCBs. We will also investigate how these losses impact signal propagation and the quality of digital signals.
Understanding PCB material parameters such as relative permittivity and loss tangent allows us to discuss some important…
Understanding PCB material parameters such as relative permittivity and loss tangent allows us to discuss some important considerations for choosing the right material when designing a high-speed/high-frequency application.
Learn about voltage waves and how they relate to an important basic concept of radio frequency (RF) circuit design:…
Learn about voltage waves and how they relate to an important basic concept of radio frequency (RF) circuit design: transmission lines.
Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to…
Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.
Get a high-level introduction to how standards play into the EE world.
Get a high-level introduction to how standards play into the EE world.
Switched-mode power supplies (SMPS) appear simple to route on your PCB, but are they? This article identifies two noise…
Switched-mode power supplies (SMPS) appear simple to route on your PCB, but are they? This article identifies two noise sources and simple fixes to improve your EMC performance.
Learn about how symmetry in signals can simplify the calculation of the Fourier coefficients when used to find the…
Learn about how symmetry in signals can simplify the calculation of the Fourier coefficients when used to find the steady-state response of a circuit.
Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.
Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.
In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.
In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.
Learn how to use single-ended amplifiers in low-side current sensing, including PCB layout tips and considerations, as…
Learn how to use single-ended amplifiers in low-side current sensing, including PCB layout tips and considerations, as well as a layout example based on an op-amp in the SOT23 package.
What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well…
What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well as when each is the more appropriate design choice.
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative…
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative resistance” or “oscillation allowance”.
Learn how the load capacitance mismatch can “pull” the crystal to oscillate at a different frequency and how we can…
Learn how the load capacitance mismatch can “pull” the crystal to oscillate at a different frequency and how we can circumvent this problem.
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