What is the purpose of a seven-segment decoder circuit? What is a…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
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.
In this circuit, the electric motor is supposed to turn on whenever…
A technician uses a stroboscope to “freeze” the rotation of a…
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
In addition to performing tasks of amplification and switching, tubes…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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 semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
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.
In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Identify each of these logic gates by name, and complete their…
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.
Before the advent of solid-state logic circuits, logical control…
Single Phase Synchronous Motors Single-phase synchronous motors are…
In the last section, we learned what would happen in simple…
What voltage will you choose to use for each of the station batteries?
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
A practical application of switch and relay logic is in control…
If a strip of conductive metal is stretched, it will become skinnier…
While the C-B (common-base) amplifier is known for wider bandwidth…
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
In addition to performing tasks of amplification and switching, tubes…
The discovery of the relationship between magnetism and electricity…
What does it mean, in general terms, to encode something? Conversely,…
When we store information in some kind of circuit or device, we not…
AC electromechanical meter movements come in two basic arrangements:…
Inductors do not have a stable “resistance” as conductors…
A transistor is a semiconductor device that controls current with the…
A capacitor is a passive two-terminal electronic component that…
Note the “50 ohm” rating printed on the jacket of the cable. What…
A calculator for solving the maximum current a microstrip can handle.
Counting practice: count from zero to thirty-one in binary, octal, and…
For a given amount of water pressure, which will flow a greater rate…
RELATED WORKSHEETS: JFET Amplifiers Worksheet
Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
Voltage is commonly defined as “electrical pressure.” The unit of…
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
Parametric data for all semiconductor op-amp models except the CA3130…
In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.
To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.
Over the course of the next few chapters, you will learn that AC…
So far we know that AC voltage alternates in polarity and AC current…
Thomas Edison, that prolific American inventor, is often credited with…
When inductors are connected in series, the total inductance is the…
∫f(x) dx Calculus alert! One of the fundamental principles of…
Add the following binary numbers:
Don’t just sit there! Build something!! Learning to mathematically…
One of the more fascinating applications of electricity is in the…
What does it mean for an object to have an electric charge? Give an…
In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Digital computers communicate with external devices through ports:…
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.
Although the prime intent of octal and hexadecimal numeration systems…
Counting practice: count from zero to thirty-one in binary, octal, and…