All About Circuits

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SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


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Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


Textbook

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

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.


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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.


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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.


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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.


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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.


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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

CMOS Gate Circuitry

CMOS Gate Circuitry

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


Textbook

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

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

Performance-Based Assessments for Analog Integrated Circuit Competencies

Performance-Based Assessments for Analog Integrated Circuit Competencies


Worksheets - Custom

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

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

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

CMOS Logic Gates

CMOS Logic Gates

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


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Analog Lab - Introduction

Analog Lab - Introduction

In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.


Textbook

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

Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


Textbook

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.


Textbook

Integrated Circuits

Integrated Circuits

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


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

Finite State Machines

Finite State Machines

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


Textbook

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

SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Superposition Theorem

Superposition Theorem

The superposition theorem is one of those strokes of genius that takes…


Textbook

DC Lab - Potentiometric Voltmeter

DC Lab - Potentiometric Voltmeter

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.


Textbook

Characteristic Impedance

Characteristic Impedance

Note the “50 ohm” rating printed on the jacket of the cable. What…


Worksheets - Custom

Analog Lab - Introduction

Analog Lab - Introduction

In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.


Textbook

Resistivity Calculator

Resistivity Calculator

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.


Tools

Vol VI. Credits

Vol VI. Credits

The following is a partial list of contributors to the current online…


Textbook

More on Spectrum Analysis

More on Spectrum Analysis

Computerized Fourier analysis, particularly in the form of the FFT…


Textbook

Wire Microstrip Impedance Calculator

Wire Microstrip Impedance Calculator

A helpful tool for calculating the impedance of a wire microstrip.


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Superconductivity

Superconductivity

Conductors lose all of their electrical resistance when cooled to…


Textbook

Optothyristors

Optothyristors

Like bipolar transistors, SCRs and TRIACs are also manufactured as…


Textbook

Right Triangle Trigonometry

Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…


Textbook

Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


Worksheets - Custom

Zener Diodes

Zener Diodes

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


Worksheets - Custom

Edge Coupled Stripline Impedance Calculator

Edge Coupled Stripline Impedance Calculator

A calculator for computing the impedance of an edge coupled stripline.


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DC Motor Control Circuits

DC Motor Control Circuits

How is it possible to electrically measure the torque output by a…


Worksheets - Custom

The Common-drain Amplifier (IGFET)

The Common-drain Amplifier (IGFET)


Textbook

Positive Feedback

Positive Feedback

As we’ve seen, negative feedback is an incredibly useful…


Textbook

Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


Textbook

RF Power Conversion Calculator

RF Power Conversion Calculator

A tool designed to convert RF power from watts to decibels and vice versa


Tools

Unit Conversion Calculator

Unit Conversion Calculator

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


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