There are three major kinds of power supplies: unregulated (also…
Don’t just sit there! Build something!! Learning to mathematically…
In the chapter on mixed-frequency signals, we explored the concept of…
Explain the operation of this “H-bridge” motor control circuit: At…
Many electronic circuits use what is called a split or a dual power…
Don’t just sit there! Build something!! Learning to mathematically…
The first, and perhaps most important, relationship between current,…
What Is a Zener Diode? A Zener diode is a special type of rectifying…
Don’t just sit there! Build something!! Learning to mathematically…
Power Capacity As has already been observed, transformers must be well…
Stepper Motor vs Servo Motor A stepper motor is a…
Like its bipolar cousin, the field-effect transistor may be used as an…
The jobs of electronics engineers and technicians frequently entail…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Most ohmmeters of the design shown in the previous section utilize a…
Define the following terms: energy, work, and power.
Whenever there is a mismatch of impedance between transmission line…
If the ends of a wire loop are attached to two half-circular metal…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
Given two lengths of metal wire, which one will have the least…
In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
We know that the current in a series circuit may be calculated with…
What, exactly, is necessary to establish electrical continuity between…
So far in our discussions on electricity and electric circuits, we…
A transmission line of infinite length is an interesting abstraction,…
AC Motors Perhaps the most important benefit of polyphase AC power…
What is Split-Phase Power Systems? Split-phase power systems achieve…
What hazards might be posed by a circuit with excessive current going…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
The Insulated-Gate Field-Effect Transistor (IGFET), also known as…
Long before the advent of digital electronic technology, computers…
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.
Don’t just sit there! Build something!! Learning to mathematically…
Mercury Standard Cell Back in the early days of electrical measurement…
Synchronous motors load the power line with a leading power factor.…
As we’ve already learned, electricity requires a complete path…
Convert between Celsius, Fahrenheit and Kelvin
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Up to now, every circuit that was presented was a combinatorial…
When using conventional current flow, we can trace the direction of…
Has the system ever worked before? If yes, has anything happened to…
Consider a circuit for a single-phase AC power system, where a 120…
It was discovered centuries ago that certain types of materials would…
A helpful tool for calculating the impedance of a wire microstrip.
In the common-emitter section of this chapter, we saw a SPICE analysis…
Buses and networks are designed to allow communication to occur…
As we’ve seen, negative feedback is an incredibly useful…
If at all possible, shut off the power to a circuit before performing…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.
Programming a circuit simulation with SPICE is much like programming…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
AC electromechanical meter movements come in two basic arrangements:…
The following is a partial list of contributors to the current online…
RELATED WORKSHEET: Calculus for Electric…
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
