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Passive Filter Circuits

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In very simple, qualitative terms, rate the impedance of capacitors…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Active Filters

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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…

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

IGFET Amplifiers

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

Metric Prefixes and Unit Conversions

Textbook

Metric prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z Exa =…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Impedance Matching With Transformers

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

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Conductors, Insulators, and Electron Flow

Textbook

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

Op-Amp Data

Textbook

Parametric data for all semiconductor op-amp models except the CA3130…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Phase-locked Loops

Textbook

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Clamper Circuits

Textbook

The circuits in the figure below are known as clampers or DC…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law NOTE: the symbol…

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Peak, Average, and RMS Measurements

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How is it possible to assign a fixed value of voltage or current (such…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Frequency and Phase Measurement

Textbook

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

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…

Transistor Ratings and Packages (IGFET)

Textbook

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Bridge Circuits

Textbook

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

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Contributors (14)

Textbook

Contributors to this chapter are listed in chronological order of…

Electrical Conduction in Semiconductors

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In any electrically conductive substance, what are charge carriers?…

Networks and Busses

Textbook

This collection of wires that I keep referring to between the tank…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Shock Current Path

Textbook

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

Parallel Batteries

Textbook

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

AC Motor Control Circuits

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Perhaps the most challenging aspect of interpreting ladder diagrams,…

Electromechanical Relay Logic

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

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Binary Math

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

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Protective Relay Circuits

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Protective relays are special power-sensing devices whose job it is to…

The Common-drain Amplifier (IGFET)

Textbook