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Bipolar Transistor Biasing Circuits

Worksheets - Audio

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

Class A BJT Amplifiers

Worksheets - Audio

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

Attenuators

Textbook

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

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Radio Circuits

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Decibel Measurements

Worksheets - Audio

During the early development of telephone technology, a unit was…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Basic Electricity Worksheet

Worksheets - Audio

What is the purpose of the switch shown in this schematic diagram?

Sensitive Audio Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Phase-Locked Loops

Worksheets - Audio

This is a schematic for a simple VCO: The oscillator is of the RC…

Design Project: Sensitive Audio Detector

Worksheets - Audio

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

BJT Quirks

Textbook

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

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Design Project: Audio Media-Based Signal Generator

Worksheets - Audio

Identify some different ways you can create the sine-wave audio tracks…

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Open-Loop OpAmp Circuits

Worksheets - Audio

Determine what the magnitude and polarity of the voltmeter’s…

Basic Troubleshooting Strategies

Worksheets - Audio

A chandelier has five light bulbs in it, and one of them is not…

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

AC Network Analysis

Worksheets - Audio

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

Energy, Work, and Power

Worksheets - Audio

Define the following terms: energy, work, and power.

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Algebraic Substitution for Electric Circuits

Worksheets - Audio

There are two basic Ohm’s Law equations: one relating voltage,…

Important Constants

Textbook

Euler’s Number Euler’s constant is an important value for…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Band-pass Filters

Textbook

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Design Project: Logic Probe

Worksheets - Audio

What factors determine where potentiometers Rpot1 and Rpot2 must be…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Audio

Define the following terms: energy, work, and power.

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

What is a Series-Parallel Circuit?

Textbook

With simple series circuits, all components are connected end-to-end…

Negative Feedback OpAmp Circuits

Worksheets - Audio

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

Temperature Coefficient of Resistance

Worksheets - Audio

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

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Design Project: DC Motor

Worksheets - Audio

The armature windings of your DC motor will have very low resistance.…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Special Diodes

Worksheets - Audio

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

Electromechanical Relay Logic

Worksheets - Audio

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Active Loads in Amplifier Circuits

Worksheets - Audio

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Basic Operational Amplifiers

Worksheets - Audio

Determine the output voltage polarity of this op-amp (with reference…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Electron Activity in Chemical Reactions

Textbook

So far in our discussions on electricity and electric circuits, we…

Flip-Flop Circuits

Worksheets - Audio

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

Design Project: AC-DC Power Supply

Worksheets - Audio

Safety is very important when designing and/or building a device…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Audio

Define the following terms: energy, work, and power.

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Multiple-input Gates

Textbook

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

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…