All About Circuits

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Q Factor and Bandwidth of a Resonant Circuit

Q Factor and Bandwidth of a Resonant Circuit

The Q, or quality, factor of a resonant circuit is a measure of the…


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CMOS Gate Circuitry

CMOS Gate Circuitry

Up until this point, our analysis of transistor logic circuits has…


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Digital Lab - Introduction

Digital Lab - Introduction

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.


Textbook

RC Time Constant Calculator

RC Time Constant Calculator

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.


Tools

555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


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555 Lab - Blue LED Flasher With Voltage Doubler

555 Lab - Blue LED Flasher With Voltage Doubler

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.


Textbook

Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


Tools

Battery Life Calculator

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.


Tools

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


Textbook

SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Finite State Machines

Finite State Machines

Up to now, every circuit that was presented was a combinatorial…


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CMOS Logic Gates

CMOS Logic Gates

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - FPGA

Electrical Energy Calculator

Electrical Energy Calculator

This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.


Tools

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.


Tools

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

The table method provides a structured methodology for ensuring you…


Textbook

Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


Textbook

Performance-Based Assessments for Analog Integrated Circuit Competencies

Performance-Based Assessments for Analog Integrated Circuit Competencies


Worksheets - FPGA

555 Lab - Red LED Flasher

555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.


Textbook

555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


Textbook

Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


Tools

Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - FPGA

What is Norton’s Theorem and the Norton Equivalent Circuit?

What is Norton’s Theorem and the Norton Equivalent Circuit?

This article explains the step-by-step process for determining the…


Textbook

“Long’’ and “Short’’ Transmission Lines

“Long’’ and “Short’’ Transmission Lines

In DC and low-frequency AC circuits, the characteristic impedance of…


Textbook

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


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Transistors, Hybrid

Transistors, Hybrid

In essence, the IGFET controls the base current of a BJT, which…


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Basic Electromagnetic Relays

Basic Electromagnetic Relays

Don’t just sit there! Build something!! Learning to analyze relay…


Worksheets - FPGA

Three-phase Y and Delta Configurations

Three-phase Y and Delta Configurations

Three-phase Wye(Y) Connection Initially, we explored the idea of…


Textbook

Shift Registers

Shift Registers

Don’t just sit there! Build something!! Learning to analyze digital…


Worksheets - FPGA

Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


Textbook

Decimal versus Binary Numeration

Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…


Textbook

Differential Equations

Differential Equations

As opposed to normal equations where the solution is a number, a…


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The Unijunction Transistor (UJT)

The Unijunction Transistor (UJT)

Unijunction transistor: Although a unijunction transistor is not a…


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Why digital?

Why digital?

Although many textbooks provide good introductions to digital memory…


Textbook

Elementary Amplifier Theory

Elementary Amplifier Theory

Fundamentally, an amplifier is a device that takes in a low-power…


Worksheets - FPGA

Delta and Wye 3-Phase Circuits

Delta and Wye 3-Phase Circuits

Label where each of the following electrical quantities would be found…


Worksheets - FPGA

Polarity of voltage drops

Polarity of voltage drops

When using conventional current flow, we can trace the direction of…


Textbook

Harmonic Phase Sequences

Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…


Textbook

Unit Conversion Calculator

Unit Conversion Calculator

Convert to and from different units of length, weight, power, temperature and torque


Tools

Factors Affecting Capacitance

Factors Affecting Capacitance

There are three basic factors of capacitor construction determining…


Textbook

Common Derivatives

Common Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…


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