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.
If we were to express the series-connected DC voltages as phasors…
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
Shown here is the schematic symbol for a resistor: What is the purpose…
What is the purpose of the switch shown in this schematic diagram?
A technician uses a stroboscope to “freeze” the rotation of a…
Don’t just sit there! Build something!! Learning to mathematically…
Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Don’t just sit there! Build something!! Learning to mathematically…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
What is the purpose of a seven-segment decoder circuit? What is a…
What does it mean for an object to have an electric charge? Give an…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
How to Create Band-pass Filter There are applications where a…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
It is very important to keep in mind that the “normal”…
Define the following acronyms as they apply to digital logic circuits:…
A calculator for computing the inductance of a coaxial cable.
What, exactly, is an arbitrary waveform generator, and for what…
A helpful tool for calculating the impedance of a wire microstrip.
The R/2R DAC circuit is an alternative to the binary-weighted-input…
In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
Roman Numerals The Romans devised a system that was a substantial…
Protective relays are special power-sensing devices whose job it is to…
The Voltage Gain Because amplifiers have the ability to increase the…
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
Insulated gate field-effect transistors are unipolar devices just like…
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.
A chandelier has five light bulbs in it, and one of them is not…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Don’t just sit there! Build something!! Learning to analyze digital…
“All men are liable to error;” —John Locke Whereas…
Shaded Pole Induction Motor An easy way to provide starting torque to…
This calculator will help compute the inductance of a length of wire.
Many different equations used in the analysis of electric circuits may…
Safety is very important when designing and/or building a device…
Seeing as how a common meter movement can be made to function as a…
Incomplete
In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.
A peak detector is a series connection of a diode and a…
TTL Circuit Analysis Let’s examine the following TTL circuit and…
The electrical resistance of a conductor at any temperature may be…
When someone mentions the word “computer,” a digital…
This calculator computes for the output pulse width of a 555 timer monostable circuit
Don’t just sit there! Build something!! Learning to mathematically…
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.
“I think it is safe to say that no one understands quantum…
It is sometimes desirable to have circuits capable of selectively…
This calculator helps you compute the characteristic impedance of a symmetric stripline.
When connecting batteries together to form larger “banks”…
This chapter explores the response of capacitors and inductors to…