All About Circuits

Latest Technical Articles

Categories

Combinational Logic Circuit Design and Simulation Using Gates

Combinational Logic Circuit Design and Simulation Using Gates

Gate-level implementation of logic functions is limited by the gate fan-in. This article examines logic factoring, grouping, and level increases to implement logic functions with limited input gates.


MEMS Accelerometer Frequency Response and Bandwidth Specification

MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.


Deriving the Transfer Function of a Capacitive Sensing Accelerometer

Deriving the Transfer Function of a Capacitive Sensing Accelerometer

In this article, we'll learn about deriving the transfer function of a mass-spring-damper system used in a capacitive MEMS accelerometer.


Introduction to Capacitive Accelerometers: Measuring Acceleration with Capacitive Sensing

Introduction to Capacitive Accelerometers: Measuring Acceleration with Capacitive Sensing

In this article, we'll discuss how to use capacitive sensing to measure acceleration.


Basics of Millimeter Wave Technology

Basics of Millimeter Wave Technology

What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?


Intro to 5G NR

Intro to 5G NR

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.


Understanding the Amplifier Offset Voltage and Output Swing in Resistive Current Sensing

Understanding the Amplifier Offset Voltage and Output Swing in Resistive Current Sensing

How does an amplifier's input offset voltage impact the accuracy of a current sense resistor's measurement? And how does amplifier output swing affect your shunt resistor value? Learn this and more in this technical article.


Simulating Non-linear Transformers in LTspice

Simulating Non-linear Transformers in LTspice

Learn how to use non-linear models in LTspice to simulate the characteristics of transformers, a crucial part of SMPS (switched-mode power supply) design.


Learn How Integrated Solutions Can Increase the Accuracy of Resistive Current Sensing

Learn How Integrated Solutions Can Increase the Accuracy of Resistive Current Sensing

In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.


Using Single-Ended Amplifiers in Low-Side Current Sensing: Error Sources and Layout Tips

Using Single-Ended Amplifiers in Low-Side Current Sensing: Error Sources and Layout Tips

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.


Resistive Current Sensing: Low-Side vs. High-Side Sensing

Resistive Current Sensing: Low-Side vs. High-Side Sensing

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.


Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Learn the basics of Hall effect current sensors in this technical article.


Digital (ON/OFF) Hall Effect Devices: Switches and Latches

Digital (ON/OFF) Hall Effect Devices: Switches and Latches

Learn about the polarity of the B-field, unipolar switches, omnipolar switches, Hall effect latches, and bipolar switches in this technical article.


Hall Effect Position Sensing: Response Linearity and Slope for Slide-By Configurations

Hall Effect Position Sensing: Response Linearity and Slope for Slide-By Configurations

Learn about how various decisions regarding Hall effect sensing solutions—specifically for slide-by configurations—can effect your designs.


Physically Unclonable Functions: Classification, Evaluation, and Tradeoffs in PUFs

Physically Unclonable Functions: Classification, Evaluation, and Tradeoffs in PUFs

In this article, we’ll take a deeper look at how PUFs are classified, the attributes that make a “good” PUF, and design tradeoffs.


Hall Effect Magnetic Design: Head-on and Slide-by Configurations

Hall Effect Magnetic Design: Head-on and Slide-by Configurations

Learn about how the Hall effect is used in position sensing applications.


An Introduction to Digital Signal Processing

An Introduction to Digital Signal Processing

This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To appreciate the advantages of DSP, let’s first have a look at the conventional method of signal processing, i.e., analog signal processing.


How to Measure the Drive Level of a Quartz Crystal

How to Measure the Drive Level of a Quartz Crystal

Learn why the drive level of your quartz crystal oscillator is important and several methods for how to measure it.


Examining the Negative Resistance of a Quartz Crystal Oscillator

Examining the Negative Resistance of a Quartz Crystal Oscillator

This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative resistance” or “oscillation allowance”.


Assessing the Effect of Load Capacitance on the Frequency of a Quartz Crystal

Assessing the Effect of Load Capacitance on the Frequency of a Quartz Crystal

Learn how the load capacitance mismatch can “pull” the crystal to oscillate at a different frequency and how we can circumvent this problem.