Identify the type of logic gate shown in this schematic diagram, and…
As a first example of useful combinational logic, let’s build a…
Don’t just sit there! Build something!! Learning to mathematically…
It is sometimes useful in logic circuits to have a multivibrator which…
A microcontroller is a specialized type of digital computer used to…
What Is an XOR Gate? One element conspicuously missing from the set of…
In designing digital circuits, the designer often begins with a truth…
A third variation on the counter-DAC-based converter theme is, in my…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
A common topology for DC-AC power converter circuits uses a pair of…
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
It is fairly important to use large value resistors (10 MΩ works…
A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
A principal consideration for industrial control networks, where the…
If the output of a shift register is fed back to the input. a ring…
Early computer science pioneers such as Alan Turing and John Von…
Though it may seem strange to cover the elementary topic of electrical…
Before the advent of solid-state logic circuits, logical control…
Don’t just sit there! Build something!! Learning to analyze relay…
In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.
One caveat with signed binary numbers is that of overflow, where the…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
In Millman’s Theorem, the circuit is re-drawn as a parallel…
In order to work with complex numbers without drawing vectors, we…
Using the same value components in our series example circuit, we will…
“Garbage in, garbage out.” —Anonymous SPICE…
What is Kirchhoff’s Voltage Law (KVL)? The principle known as…
In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
Suppose we wished to measure the resistance of some component located…
While the binary numeration system is an interesting mathematical…
A diode is an electronics component made from a combination of a…
A high-pass filter’s task is just the opposite of a low-pass…
Don’t just sit there! Build something!! Learning to mathematically…
So far, the filter designs we’ve concentrated on have employed…
It is sometimes useful in logic circuits to have a multivibrator which…
A tool designed to calculate the noise figure of cascaded amplifiers
Starting with circle A in a rectangular A’ universe in figure…
The half-adder is extremely useful until you want to add more than one…
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
A helpful tool for calculating the impedance of a coaxial cable.
In simple reactive circuits with little or no resistance, the effects…
Devoting a whole chapter in a modern electronics text to the design…
The use of variable voltage for instrumentation signals seems a rather…
The field effect transistor was proposed by Julius Lilienfeld in US…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
Introduction Whenever an electric voltage exists between two separated…
Because batteries create current flow in a circuit by exchanging…
No text on electrical metering could be called complete without a…
Don’t just sit there! Build something!! Learning to mathematically…
NAND and NOR gates possess a special property: they are universal.…
What does it mean for an object to have an electric charge? Give an…
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.
A capacitor is a passive two-terminal electronic component that…
Fallacious reasoning and poor interpersonal relations account for more…
After applying some of the general troubleshooting tips to narrow the…
A transmission line of infinite length is an interesting abstraction,…
All entries arranged in alphabetical order of surname. Major…
The Programmable Logic Controller, or PLC, was invented in the late…