In this circuit, the electric motor is supposed to turn on whenever…
The single-transistor inverter circuit illustrated earlier is actually…
The final transistor amplifier configuration (Figure below) we need to…
Safety is very important when designing and/or building a device…
Calculate the voltage output by the secondary winding of a transformer…
So far, the filter designs we’ve concentrated on have employed…
At the start of this book, we discussed static electricity and how it…
Although transistor switching circuits operate without bias, it is…
In this circuit, three resistors receive the same amount of current (4…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
If a pulse-width modulated (PWM) signal is sent to a passive…
Single Phase Synchronous Motors Single-phase synchronous motors are…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
The electrical resistance of a conductor at any temperature may be…
Don’t just sit there! Build something!! Learning to mathematically…
On this page, we’ll outline the three principles you should…
Because capacitors store energy in the form of an electric field, they…
The bipolar junction transistor (BJT) was named because its operation…
All entries arranged in alphabetical order of surname. Major…
Don’t just sit there! Build something!! Learning to analyze digital…
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
To overcome the challenge of creating necessary DC bias voltage for an…
When calculating the power dissipation of resistive components, use…
Don’t just sit there! Build something!! Learning to mathematically…
If an electric current is passed through this wire, which direction…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the difference between a balanced polyphase system and an…
In any electrically conductive substance, what are charge carriers?…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
Electromechanical relays used to start and stop high-power electric…
An electromechanical generator is a device capable of producing…
PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…
The atoms in insulating materials have very tightly-bound electrons,…
Don’t just sit there! Build something!! Learning to mathematically…
When connecting batteries together to form larger “banks”…
Don’t just sit there! Build something!! Learning to mathematically…
What does the normal status of an electrical switch refer to?…
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
In essence, the IGFET controls the base current of a BJT, which…
In this circuit, three resistors receive the same amount of current (4…
Real operational amplifiers have some imperfections compared to an…
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).
You might have noticed on the table for specific resistances that all…
Associative Property In addition and multiplication, terms may be…
Parts and Materials Multimeter, digital or analog Assorted resistors…
Thomas Edison, that prolific American inventor, is often credited with…
There are three major kinds of power supplies: unregulated (also…
Thyristors are a broad classification of bipolar-conducting…
Write an equation describing the precise mathematical relationship…
Don’t just sit there! Build something!! Learning to mathematically…
Input impedance varies considerably with the circuit configuration…
Read the following quotation, and then research the term…
Don’t just sit there! Build something!! Learning to mathematically…
Thyristors are a class of semiconductor components exhibiting…
De Forest’s Audion tube came to be known as the triode tube…
PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…
The variable reluctance motor is based on the principle that an…
When plotted on a curve tracer, the characteristic curve for a normal…
