Categories

Conventional Transistor Overview and Special Transistors

Worksheets - Filters

A microcontroller is a specialized type of digital computer used to…

Class A BJT Amplifiers

Worksheets - Filters

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

Bipolar Junction Transistor (BJT) theory

Worksheets - Filters

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

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

Negative Feedback OpAmp Circuits

Worksheets - Filters

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

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Battery Life Calculator

Tools

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Bandpass Filter Calculator

Tools

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

Analog Lab - Op Amp Integrator

Textbook

In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Junction field-effect transistors (JFET)

Worksheets - Filters

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

Calculus for Electric Circuits

Worksheets - Filters

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

Insulated-gate Field-effect Transistors (MOSFET)

Textbook

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

Biasing Techniques (BJT)

Textbook

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

Basic Logic Gate Troubleshooting

Worksheets - Filters

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

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

AC Waveforms

Textbook

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

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Op-Amp Data

Textbook

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

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

Analog Lab - High-impedance Voltmeter

Textbook

In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.

Conventional Versus Electron Flow

Textbook

“The nice thing about standards is that there are so many of…

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

Si Lab - BJT Common-collector Voltage Follower

Textbook

In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.

Clipper Circuits

Textbook

A circuit which removes the peak of a waveform is known as a clipper.…

Electrical Energy Calculator

Tools

This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.

Timer Circuits

Worksheets - Filters

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

OpAmp Oscillator Circuits

Worksheets - Filters

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

Voltage/Current Converter OpAmp Circuits

Worksheets - Filters

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

555 Lab - Schmitt Trigger

Textbook

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.

Kirchhoff’s Current Law (KCL)

Textbook

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

Universal Shift Registers: Parallel-in, Parallel-out

Textbook

The purpose of the parallel-in/ parallel-out shift register is to take…

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Resistance, Reactance, and Impedance

Worksheets - Filters

What will happen to the brightness of the light bulb as the iron core…

High-pass Filters

Textbook

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

Bipolar Junction Transistor (BJT) theory

Worksheets - Filters

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

EIRP Calculator

Tools

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Filters

As an electric current is passed through a coil of wire, it creates a…

Numeration Systems

Worksheets - Filters

Digital computers communicate with external devices through ports:…

Inductors

Worksheets - Filters

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

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Basic Logic Gates

Worksheets - Filters

Identify the type of logic gate shown in this schematic diagram, and…

Conventional Transistor Overview and Special Transistors

Worksheets - Filters

A microcontroller is a specialized type of digital computer used to…

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Si Lab - BJT Common-emitter Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.