All About Circuits

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Boolean Relationships on Venn Diagrams

Boolean Relationships on Venn Diagrams

The fourth example has A partially overlapping B. Though, we will…


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Frequency and Phase Measurement

Frequency and Phase Measurement

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


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Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


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Active-mode Operation (JFET)

Active-mode Operation (JFET)

JFETs, like bipolar transistors, are able to “throttle”…


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Contact “Bounce”

Contact “Bounce”

When a switch is actuated and contacts touch one another under the…


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Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


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Si Lab - Full-wave Center-tap Rectifier

Si Lab - Full-wave Center-tap Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.


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Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


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Boolean Algebra

Boolean Algebra

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


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Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


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Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


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Capacitor Impedance Calculator

Capacitor Impedance Calculator

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.


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Introduction to Complex Numbers

Introduction to Complex Numbers

If I needed to describe the distance between two cities, I could…


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AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

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.


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

It is a common phenomenon for the electrical resistance of a substance…


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Clipper Circuits

Clipper Circuits

A circuit which removes the peak of a waveform is known as a clipper.…


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DC Lab - Rate-of-change Indicator

DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.


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The Shockley Diode

The Shockley Diode

Our exploration of thyristors begins with a device called the…


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Maximum Power Transfer Theorem

Maximum Power Transfer Theorem

The Maximum Power Transfer Theorem is not so much a means of analysis…


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Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


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Design Project: Radio Transmitter

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…


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Introduction to Electron Tubes

Introduction to Electron Tubes

An often neglected area of study in modern electronics is that of…


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Zener Diodes

Zener Diodes

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


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Insulator Breakdown Voltage

Insulator Breakdown Voltage

The atoms in insulating materials have very tightly-bound electrons,…


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Safety Grounding

Safety Grounding

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


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Conductors, Insulators, and Electron Flow

Conductors, Insulators, and Electron Flow

The electrons of different types of atoms have different degrees of…


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RMS Voltage Calculator

RMS Voltage Calculator

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.


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Characteristic Impedance

Characteristic Impedance

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


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Capacitor Impedance Calculator

Capacitor Impedance Calculator

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.


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IGBTs

IGBTs

Because of their insulated gates, IGFETs of all types have extremely…


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Capacitor Charge and Time Constant Calculator

Capacitor Charge and Time Constant Calculator

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.


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Ionization (gas-filled) Tubes

Ionization (gas-filled) Tubes

So far, we’ve explored tubes which are totally…


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Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

Calculate the voltage output by the secondary winding of a transformer…


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Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


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Metric Prefix Conversions

Metric Prefix Conversions

To express a quantity in a different metric prefix from how it was…


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Amplifier Circuits

Amplifier Circuits

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…


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Trigonometric Equivalencies

Trigonometric Equivalencies


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Octal and Hexadecimal to Decimal Conversion

Octal and Hexadecimal to Decimal Conversion

Although the prime intent of octal and hexadecimal numeration systems…


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Impedance Matching With Transformers

Impedance Matching With Transformers

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…


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Si Lab - Simple Op Amp

Si Lab - Simple Op Amp

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.


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