Latest Digital Multimeters Education

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Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

Kirchhoff’s Laws

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Many electronic circuits use what is called a split or a dual power…

Impedance

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

AC Motor Control Circuits

Worksheets - Digital Multimeters

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Series DC Circuits Practice Worksheet with Answers

Worksheets - Digital Multimeters

In this circuit, three resistors receive the same amount of current (4…

Si Lab - A Simple BJT Current Mirror Circuit

Textbook

In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.

Voltage/Current Converter OpAmp Circuits

Worksheets - Digital Multimeters

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

Resistors

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Shown here is the schematic symbol for a resistor: What is the purpose…

Performance-Based Assessments for Semiconductor Circuit Competencies

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Performance-Based Assessments for Basic Electricity Competencies

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AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Voltmeter Design

Worksheets - Digital Multimeters

Suppose I were about to measure an unknown voltage with a manual-range…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Digital Multimeters

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

DC Lab - Build Your Own Multimeter

Textbook

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.

Capacitive Reactance

Worksheets - Digital Multimeters

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

Intro Lab - Resistor Power Dissipation

Textbook

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.

DC Lab - 4-wire Resistance Measurement

Textbook

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Digital Multimeters

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

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Performance-Based Assessments for Semiconductor Circuit Competencies

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Class A BJT Amplifiers

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

DC Motor Theory

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If the ends of a wire loop are attached to two half-circular metal…

Specific Resistance of Conductors

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Given two lengths of metal wire, which one will have the least…

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

Junction field-effect transistors (JFET)

Worksheets - Digital Multimeters

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

AC Metrology

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In power distribution systems, it is very important to be able to…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

Si Lab - Half-wave Rectifier

Textbook

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.

AC Power

Worksheets - Digital Multimeters

If a sinusoidal voltage is applied to an impedance with a phase angle…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Performance-Based Assessments for Network Analysis Competencies

Worksheets - Digital Multimeters

Basic Ammeter Use

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Show how this ammeter would be connected to the light bulb circuit to…

Sum-of-Products and Product-of-Sums Expressions

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Identify each of these logic gates by name, and complete their…

Active Loads in Amplifier Circuits

Worksheets - Digital Multimeters

We know that the current in a series circuit may be calculated with…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

Capacitive Reactance

Worksheets - Digital Multimeters

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

Instrumentation Amplifier Gain Calculator

Tools

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.

DC Motor Theory

Worksheets - Digital Multimeters

If the ends of a wire loop are attached to two half-circular metal…

Encoder

Textbook

What is an Encoder? An encoder is a circuit that changes a set of…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Digital Multimeters

Converting Between Thevenin and Norton Equivalent Circuits

Textbook

Since Thevenin’s theorem and Norton’s theorems are two…

AC Negative Feedback OpAmp Circuits

Worksheets - Digital Multimeters

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

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

Rectifying Diodes

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

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

Si Lab - Astable Multivibrator Audio Oscillator

Textbook

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Resistivity Calculator

Tools

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

JFET Amplifiers

Worksheets - Digital Multimeters

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