Categories

555 Hysteretic Oscillator

Textbook

Try out our 555 Timer Astable Circuit in our Tools section. PARTS AND…

Time Constant Circuits

Worksheets - Crystals and Resonators

Generally speaking, how many “time constants” worth of time does…

OpAmp Oscillator Circuits

Worksheets - Crystals and Resonators

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

Time Constant Calculations

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

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

Oscillator Circuits

Worksheets - Crystals and Resonators

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

Active Loads in Amplifier Circuits

Worksheets - Crystals and Resonators

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

Superposition Theorem

Worksheets - Crystals and Resonators

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

Variable Inductor

Textbook

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

Trigonometry for AC Circuits

Worksheets - Crystals and Resonators

Identify which trigonometric functions (sine, cosine, or tangent) are…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Series and Parallel AC Circuits

Worksheets - Crystals and Resonators

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

Series-Parallel Combination AC Circuits

Worksheets - Crystals and Resonators

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

An Electric Pendulum

Textbook

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

Superconductivity

Textbook

Conductors lose all of their electrical resistance when cooled to…

Open-Loop OpAmp Circuits

Worksheets - Crystals and Resonators

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

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Inductor Sizing Equation

Textbook

The Inductance Formula Wheeler’s formulas for inductance of air core…

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

AC Power

Worksheets - Crystals and Resonators

If a sinusoidal voltage is applied to an impedance with a phase angle…

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Crystals and Resonators

In this circuit, three resistors receive the same amount of voltage…

Capacitor Impedance Calculator

Tools

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

Vacuum Tube Audio Amplifier

Textbook

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

Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

Introduction to AC Circuits

Textbook

“AC” stands for Alternating Current, which can refer to either…

Power Conversion Circuits

Worksheets - Crystals and Resonators

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

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Electromechanical Relay Logic

Worksheets - Crystals and Resonators

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

Broadside Coupled Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

Elementary Circuits

Worksheets - Crystals and Resonators

In the simplest terms you can think of, define what an electrical…

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Maximum Power Transfer Theorem

Textbook

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

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Dielectric Strengths for Insulators

Textbook

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

Diodes

Textbook

IGBTs

Textbook

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