Categories

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Miscellaneous Diode Applications

Worksheets - Electromechanical

Don’t just sit there! Build something!! Learning to mathematically…

AC Motor Control Circuits

Worksheets - Electromechanical

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Electromechanical

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Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

DC Generator Theory

Worksheets - Electromechanical

Generators used in battery-charging systems must be regulated so as to…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

TTL Logic Gates

Worksheets - Electromechanical

Counting practice: count from zero to thirty-one in binary, octal, and…

Protective Relay Circuits

Worksheets - Electromechanical

Protective relays are special power-sensing devices whose job it is to…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

CMOS Logic Gates

Worksheets - Electromechanical

Counting practice: count from zero to thirty-one in binary, octal, and…

Latch Circuits

Worksheets - Electromechanical

What do you think this logic buffer gate will do, with the output…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

Norton’s Theorem

Textbook

What is Norton’s Theorem? Norton’s Theorem states that it…

Example Circuits and Netlists

Textbook

The following circuits are pre-tested netlists for SPICE 2g6, complete…

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Conventional Transistor Overview and Special Transistors

Worksheets - Electromechanical

A microcontroller is a specialized type of digital computer used to…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

AC Negative Feedback OpAmp Circuits

Worksheets - Electromechanical

Don’t just sit there! Build something!! Learning to mathematically…

Peak, Average, and RMS Measurements

Worksheets - Electromechanical

How is it possible to assign a fixed value of voltage or current (such…

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Differential Transistor Amplifiers

Worksheets - Electromechanical

Don’t just sit there! Build something!! Learning to mathematically…

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Electric Shock

Worksheets - Electromechanical

It is sometimes said regarding electrical safety that, Ït’s not the…

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Printed Circuit Board Layout and Manufacture

Worksheets - Electromechanical

When a PCB designer speaks of dimensions in thous or mils, what does…

Enhancement-type IGFETs

Textbook

Digital-to-Analog Conversion

Worksheets - Electromechanical

If a pulse-width modulated (PWM) signal is sent to a passive…

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

Network Topology

Textbook

Point-to-Point Connecting two digital devices with a network, would…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

DC Motor Theory

Worksheets - Electromechanical

If the ends of a wire loop are attached to two half-circular metal…

Asymmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an asymmetric stripline

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Textbook

Parallel-in/ serial-out shift registers do everything that the…

Digital Communication

Worksheets - Electromechanical

Don’t just sit there! Build something!! Learning to analyze digital…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Capacitor Charging and Discharging

Textbook

Capacitor Charging and Discharging Experiment Parts and Materials To…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Electromechanical

The electrical resistance of a conductor at any temperature may be…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…