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Back to the LDO Basics

In partnership with Texas Instruments

Interested in LDOs? Get the basics with this 8-part LDO Basics Training Series! We will cover a…

Electrical Fundamentals and Need for power systems protection

In partnership with Texas Instruments

This session provides a Quick introduction to Electrical Power Systems, Electrical Fundamentals, the…

Voltage, Current, and Resistance

Worksheets - Linear Regulator

Voltage is commonly defined as “electrical pressure.” The unit of…

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Junction field-effect transistors (JFET)

Worksheets - Linear Regulator

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

Bipolar Junction Transistor (BJT) theory

Worksheets - Linear Regulator

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

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

Specific Resistance of Conductors

Worksheets - Linear Regulator

Given two lengths of metal wire, which one will have the least…

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

Textbook

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

Linear Computational Circuitry

Worksheets - Linear Regulator

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

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Bipolar Junction Transistors as Switches

Worksheets - Linear Regulator

Solid-state switching circuits usually keep their constituent…

Junction Field-effect Transistors

Textbook

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

Bipolar Junction Transistors in Active Mode

Worksheets - Linear Regulator

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

Impedance

Worksheets - Linear Regulator

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

Time-Delay Electromechanical Relays

Worksheets - Linear Regulator

What does the normal status of an electrical switch refer to?…

Power Supply Circuits

Textbook

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

Precision Voltage Follower

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Design Project: Arbitrary Waveform Generator

Worksheets - Linear Regulator

What, exactly, is an arbitrary waveform generator, and for what…

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Basic Electromagnetic Relays

Worksheets - Linear Regulator

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

Class C BJT Amplifiers

Worksheets - Linear Regulator

A common class of operation used in radio-frequency (RF) amplifier…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Oscillator Circuits

Worksheets - Linear Regulator

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

AC phase

Worksheets - Linear Regulator

If we were to express the series-connected DC voltages as phasors…

Step-up, Step-down, and Isolation Transformers

Worksheets - Linear Regulator

Calculate the voltage output by the secondary winding of a transformer…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle” current in…

Servo Motor Systems

Worksheets - Linear Regulator

Explain the operation of this “H-bridge” motor control circuit: At…

Ionization (gas-filled) Tubes

Textbook

So far, we’ve explored tubes which are totally “evacuated” of…

Algebraic Substitution for Electric Circuits

Worksheets - Linear Regulator

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

Thyristors

Worksheets - Linear Regulator

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

Stepper Motors

Textbook

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

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Linear Regulator

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Time Constant Circuits

Worksheets - Linear Regulator

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

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

Counter Modulus

Textbook

Incomplete

N-Way Power Divider Calculator

Tools

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

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Passive Filter Circuits

Worksheets - Linear Regulator

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

Design Project: DC Motor

Worksheets - Linear Regulator

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

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Building Simple Resistor Circuits

Textbook

In the course of learning about electricity, you will want to…

Voltmeter Design

Textbook

As was stated earlier, most meter movements are sensitive devices.…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

Circuit Wiring

Textbook

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

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.