Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…

---

Textbook

Si Lab - Astable Multivibrator Audio Oscillator

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

---

Textbook

The Triode

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

---

Textbook

Circuit Wiring

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

---

Textbook

Introduction to Mixed-Frequency AC Signals

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

---

Textbook

Monostable Multivibrators

We’ve already seen one example of a monostable multivibrator in…

---

Textbook

Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…

---

Textbook

DC Lab - Voltage Divider

In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.

---

Textbook

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin

---

Tools

Printed Circuit Board Layout and Manufacture

When a PCB designer speaks of dimensions in thous or mils, what does…

---

Worksheets - RISC-V

Memory with moving parts: “Drives”

The earliest forms of digital data storage involving moving parts was…

---

Textbook

Electromechanical Relay Logic

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

---

Worksheets - RISC-V

Link Budget Calculator

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

---

Tools

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…

---

Textbook

Negative Feedback

If we connect the output of an op-amp to its inverting input and apply…

---

Textbook

CMOS Logic Gates

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

---

Worksheets - RISC-V

Analog Lab - Op Amp Integrator

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.

---

Textbook

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

---

Textbook

Switch Types

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

---

Textbook

Measurement Circuits

Figure below shows a photodiode amplifier for measuring low levels of…

---

Textbook

Resistors Types

These are the most common types of resistors available. Resistors…

---

Textbook

The Cascode Amplifier

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

---

Textbook

Bipolar Junction Transistors in Active Mode

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

---

Worksheets - RISC-V

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…

---

Textbook

The TRIAC

SCRs are unidirectional (one-way) current devices, making them useful…

---

Textbook

Inductance, Reactance, and Admittance Calculator

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

---

Tools

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Parallel-in/ serial-out shift registers do everything that the…

---

Textbook

Power Sources

There are many different types of power sources, and here some of the…

---

Textbook

Digital Communication

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

---

Worksheets - RISC-V

Bipolar Junction Transistors

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

---

Textbook

Transistors, Bipolar

There are not too many circuit symbols for bipolar transistors. There…

---

Textbook

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…

---

Textbook

Ideal Diode Current and Voltage Calculator

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.

---

Tools

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…

---

Textbook

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…

---

Textbook

AC Resistor Circuits (Inductive)

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

---

Textbook

DC Lab - Thermoelectricity

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.

---

Textbook

Decibels

The Bel is Used to Represent Gain In its simplest form, an…

---

Textbook

Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…

---

Textbook

Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

---

Tools