Impedance Matching Because transformers can step voltage and current…
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
A very useful tool for observing rotating objects is a strobe light.…
Design a passive circuit that will create a "split” ( V/-V) power…
Write an equation describing the precise mathematical relationship…
Whenever there is a mismatch of impedance between transmission line…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
How much voltage is there between the following pairs of points in…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Although transistor switching circuits operate without bias, it is…
When the need arises to correct for poor power factor in an AC power…
If I wanted to build a battery-powered electric drill, would it be…
How is it possible to assign a fixed value of voltage or current (such…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
Safety is very important when designing and/or building a device…
Pulse Width Modulation (PWM) uses digital signals to control power…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Input Voltages for Logic Gates Logic gate circuits are designed to…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
Don’t just sit there! Build something!! Learning to mathematically…
Synchronous motors load the power line with a leading power factor.…
Explain the operation of this “H-bridge” motor control circuit: At…
It was discovered centuries ago that certain types of materials would…
Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Pulse Width Modulation (PWM) uses digital signals to control power…
There’s a sure way to calculate any of the values in a reactive…
A calculator for solving the maximum current a microstrip can handle.
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
What is Rectification? Now we come to the most popular application of…
What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…
Because of their insulated gates, IGFETs of all types have extremely…
Don’t just sit there! Build something!! Learning to mathematically…
When an electric current is passed through a coil of wire, what…
The field effect transistor was proposed by Julius Lilienfeld in US…
Don’t just sit there! Build something!! Learning to mathematically…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Wiring for AC and DC power distribution branch circuits are color…
Reactive Power We know that reactive loads such as inductors and…
The normal data inputs to a flip flop (D, S and R, or J and K) are…
Although transistor switching circuits operate without bias, it is…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Don’t just sit there! Build something!! Learning to analyze digital…
Don’t just sit there! Build something!! Learning to mathematically…
All entries arranged in alphabetical order of surname. Major…
Larger Karnaugh maps reduce larger logic designs. How large is large…
Don’t just sit there! Build something!! Learning to mathematically…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
What, exactly, is an arbitrary waveform generator, and for what…
Single Phase Synchronous Motors Single-phase synchronous motors are…
This chapter will cover the physics behind the operation of…
What factors determine where potentiometers Rpot1 and Rpot2 must be…
It may seem difficult to even start on a project such as this, with no…
In many disciplines of science and engineering, very large and very…
When the need arises to correct for poor power factor in an AC power…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
A transmission line of infinite length is an interesting abstraction,…
Don’t just sit there! Build something!! Learning to mathematically…
Product of Powers Property am an = am+n Power of a Product…
