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Oscillator Circuits

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

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

DC Mesh Current Analysis

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

Insulated-gate Field-effect Transistors (MOSFET)

Textbook

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…

Linear Computational Circuitry

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

Voltage and Current

Textbook

As was previously mentioned, we need more than just a continuous path…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Electromechanical Relay Logic

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In ladder logic symbolism, an electromechanical relay coil is shown as…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Battery Construction

Textbook

The word battery simply means a group of similar components. In…

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Input and Output Coupling

Textbook

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…

Batteries

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If I wanted to build a battery-powered electric drill, would it be…

DC Motor Theory

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

Ohmmeter Design

Textbook

Though mechanical ohmmeter (resistance meter) designs are rarely used…

Capacitors

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

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Voltage Regulation

Textbook

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

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Specific Resistance of Conductors

Worksheets - Batteries

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

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Voltage and Current

Textbook

As was previously mentioned, we need more than just a continuous path…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Lock-out / Tag-out

Worksheets - Batteries

In this motor control circuit, how would you ensure that there is no…

Delta and Wye 3-Phase Circuits

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Arc Flash and Arc Blast

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Electromechanical relays used to start and stop high-power electric…

Basic Gate Function

Textbook

Parts and Materials 4011 quad NAND gate (Radio Shack catalog #…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Design Project: Sensitive Audio Detector

Worksheets - Batteries

The choice of step-down transformers to use in a project such as this…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

IGBTs

Textbook

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Batteries

What shape of voltage waveform would you expect to measure (using an…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Introduction to Electron Tubes

Textbook

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

Decibels Equations

Textbook

  RELATED WORKSHEETS: Decibel Measurements Worksheet

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

Bipolar Junction Transistors in Active Mode

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

Thyristors

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

Karnaugh Mapping

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

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

Comparator with Hysteresis (Schmitt Trigger) Calculator

Tools

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Junction field-effect transistors (JFET)

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

Design Project: Audio Tone Control

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Suppose you were installing a high-power stereo system in your car,…

Calculus for Electric Circuits

Worksheets - Batteries

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…