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Passive Filter Circuits

Worksheets - Audio

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

Clipper and Clamper Circuits

Worksheets - Audio

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

Attenuators

Textbook

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

Sensitive Voltage Detector

Textbook

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

555 Audio Oscillator

Textbook

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

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Biasing Techniques (BJT)

Textbook

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

BJT Quirks

Textbook

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

Class A BJT Amplifiers

Worksheets - Audio

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

Decibel Measurements

Worksheets - Audio

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

Class B Audio Amplifier

Textbook

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

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Audio

(Template)

Multiplexers and Demultiplexers

Worksheets - Audio

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

Practical Considerations - Transformers

Textbook

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

Sensitive Audio Detector

Textbook

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

Summer and Subtractor OpAmp Circuits

Worksheets - Audio

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

Absolute dB scales

Textbook

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

Waveform Analysis

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

Design Project: Sensitive Audio Detector

Worksheets - Audio

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

Edge Coupled Stripline Impedance Calculator

Tools

A calculator for computing the impedance of an edge coupled stripline.

Mixed-Frequency Signals

Worksheets - Audio

What is a harmonic frequency? If an oscillator circuit outputs a…

Timer Circuits

Worksheets - Audio

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

The Common-source Amplifier (IGFET)

Textbook

Stripline Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline

Contact “Normal” State and Make/Break Sequence

Textbook

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

Active Loads in Amplifier Circuits

Worksheets - Audio

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

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

555 Ramp Generator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Optothyristors

Textbook

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

Wire-by-Number project kit introduction

Worksheets - Audio

Wire-by-Number project: simple voltage divider Description: Build a…

Precise Diode Circuits

Worksheets - Audio

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

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Amplifiers

Textbook

Practical Benefit of Active Devices The practical benefit of active…

Safety Grounding

Worksheets - Audio

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

Sequences

Textbook

Arithmetic Sequences An arithmetic sequence is a series of numbers…

The Common-gate Amplifier (IGFET)

Textbook

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Series Circuit Rules

Textbook

Current Components in a series circuit share the same current: Itotal…

Transistor Ratings and Packages (JFET)

Textbook

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

Electrical Noise and Interference

Worksheets - Audio

Define what noise means, in the electrical sense of the word. How does…

Inductors

Worksheets - Audio

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Resistor Color Codes

Textbook

Try out our Resistor Color Code Calculator in our Tools section.…

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

Inductors and Calculus

Textbook

Inductors do not have a stable “resistance” as conductors…

Binary Overflow

Textbook

One caveat with signed binary numbers is that of overflow, where the…

Junction field-effect transistors (JFET)

Worksheets - Audio

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

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Kelvin (4-wire) Resistance Measurement

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Bipolar Transistor Biasing Circuits

Worksheets - Audio

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

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…

Digital Display Circuits

Worksheets - Audio

What is the purpose of a seven-segment decoder circuit? What is a…