All About Circuits

Latest Test & Measurement Education

Categories

Input and Output Coupling

Input and Output Coupling

To overcome the challenge of creating necessary DC bias voltage for an…


Textbook

Basic Ohmmeter Use

Basic Ohmmeter Use

Explain how an ohmmeter is able to measure the resistance of a…


Worksheets - Test & Measurement

DC Branch Current Analysis

DC Branch Current Analysis

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


Worksheets - Test & Measurement

Power Measurement

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…


Textbook

Analog Lab - High-impedance Voltmeter

Analog Lab - High-impedance Voltmeter

In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.


Textbook

Specific Resistance of Conductors

Specific Resistance of Conductors

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


Worksheets - Test & Measurement

Multiplexers and Demultiplexers

Multiplexers and Demultiplexers

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


Worksheets - Test & Measurement

Voltmeter Design

Voltmeter Design

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


Worksheets - Test & Measurement

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Test & Measurement

DC Lab - Potentiometer as a Rheostat

DC Lab - Potentiometer as a Rheostat

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.


Textbook

Counters

Counters

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


Worksheets - Test & Measurement

Clipper and Clamper Circuits

Clipper and Clamper Circuits

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


Worksheets - Test & Measurement

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

Practical Power Factor Correction

Practical Power Factor Correction

When the need arises to correct for poor power factor in an AC power…


Textbook

AC Bridge Circuits

AC Bridge Circuits

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


Textbook

More on Spectrum Analysis

More on Spectrum Analysis

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


Textbook

Basic Ammeter Use

Basic Ammeter Use

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


Worksheets - Test & Measurement

Ammeter Design

Ammeter Design

What would happen to this meter movement, if connected directly to a…


Worksheets - Test & Measurement

Ohm’s Law

Ohm’s Law

For a given amount of water pressure, which will flow a greater rate…


Worksheets - Test & Measurement

Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


Worksheets - Test & Measurement

Autotransformers

Autotransformers

How much voltage is there between the following pairs of points in…


Worksheets - Test & Measurement

Decibel Calculator

Decibel Calculator

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.


Tools

Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

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.


Textbook

Time Constant Circuits

Time Constant Circuits

Generally speaking, how many “time constants” worth of time does…


Worksheets - Test & Measurement

Parallel R, L, and C

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…


Textbook

Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


Textbook

Waveguides

Waveguides

A waveguide is a special form of transmission line consisting of a…


Textbook

Series and Parallel Capacitors

Series and Parallel Capacitors

When capacitors are connected in series, the total capacitance is…


Textbook

Magnetism

Magnetism

A permanent magnet is a device that retains a magnetic field without…


Worksheets - Test & Measurement

Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


Worksheets - Test & Measurement

Series and Parallel Component Equivalent Values

Series and Parallel Component Equivalent Values

Series and Parallel Resistances     Series and Parallel…


Textbook

Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…


Textbook

Design Project: Audio Power Amplifier

Design Project: Audio Power Amplifier

Explain how the microphone in your amplifier works. How, exactly, does…


Worksheets - Test & Measurement

Band-pass Filters

Band-pass Filters

How to Create Band-pass Filter There are applications where a…


Textbook

Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


Textbook

Microstrip Impedance Calculator

Microstrip Impedance Calculator

This calculator helps you compute the characteristic impedance of a microstrip.


Tools

Conductors and Insulators

Conductors and Insulators

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


Worksheets - Test & Measurement

Voltage/Current Converter OpAmp Circuits

Voltage/Current Converter OpAmp Circuits

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


Worksheets - Test & Measurement

Design Project: Power Inverter

Design Project: Power Inverter

A common topology for DC-AC power converter circuits uses a pair of…


Worksheets - Test & Measurement

Voltage Regulation

Voltage Regulation

As we saw in a few SPICE analyses earlier in this chapter, the output…


Textbook

The Common-source Amplifier (JFET)

The Common-source Amplifier (JFET)

RELATED WORKSHEETS: JFET Amplifiers Worksheet


Textbook

Octal and Hexadecimal to Decimal Conversion

Octal and Hexadecimal to Decimal Conversion

Although the prime intent of octal and hexadecimal numeration systems…


Textbook

Shock Current Path

Shock Current Path

As we’ve already learned, electricity requires a complete path…


Textbook

Harmonic Phase Sequences

Harmonic Phase Sequences

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


Textbook

AC Generator Theory

AC Generator Theory

If an electric current is passed through this wire, which direction…


Worksheets - Test & Measurement

Contributors (2)

Contributors (2)

Contributors to this chapter are listed in chronological order of…


Textbook

Susceptance and Admittance

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…


Textbook

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


Worksheets - Test & Measurement

Relay Construction

Relay Construction

Electricity and Magnetism An electric current through a conductor will…


Textbook

Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


Textbook

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


Worksheets - Test & Measurement

Radio Circuits

Radio Circuits

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…


Textbook

Thyristors

Thyristors

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


Worksheets - Test & Measurement

Three-phase Transformer Circuits

Three-phase Transformer Circuits

Since three-phase is used so often for power distribution systems, it…


Textbook

Analog Lab - Voltage Comparator

Analog Lab - Voltage Comparator

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.


Textbook

T-Pad Attenuator Calculator

T-Pad Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.


Tools

Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


Worksheets - Test & Measurement

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


Textbook

Frequency and Phase Measurement

Frequency and Phase Measurement

An important electrical quantity with no equivalent in DC circuits is…


Textbook

Review of R, X, and Z (Resistance, Reactance and Impedance)

Review of R, X, and Z (Resistance, Reactance and Impedance)

Before we begin to explore the effects of resistors, inductors, and…


Textbook