All About Circuits

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Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Reluctance Motor

Reluctance Motor

The variable reluctance motor is based on the principle that an…


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Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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AC Commutator Motors

AC Commutator Motors

Charles Proteus Steinmetz’s first job after arriving in America…


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Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


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Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


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What is Alternating Current (AC)?

What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…


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Other Specialized Motors

Other Specialized Motors

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


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Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


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Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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Lorentz Force Calculator

Lorentz Force Calculator

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.


Tools

Parallel Resistor Calculator

Parallel Resistor Calculator

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.


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

A wound rotor induction motor has a stator like a squirrel cage…


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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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Safe Practices

Safe Practices

If at all possible, shut off the power to a circuit before performing…


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Specific Troubleshooting Techniques

Specific Troubleshooting Techniques

After applying some of the general troubleshooting tips to narrow the…


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Wiring Color Codes

Wiring Color Codes

Wiring for AC and DC power distribution branch circuits are color…


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Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


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Special-purpose Batteries

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…


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555 Lab - Schmitt Trigger

555 Lab - Schmitt Trigger

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.


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Copper Wire Gauge Table

Copper Wire Gauge Table

Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…


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Finite-state Machine

Finite-state Machine

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


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Biasing Techniques (IGFET)

Biasing Techniques (IGFET)


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What is a Meter?

What is a Meter?

A meter is any device built to accurately detect and display an…


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Branch Current Method Analysis

Branch Current Method Analysis

The most straightforward DC network analysis technique is the branch…


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Practical considerations - Digital Communication

Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…


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The Triode

The Triode

De Forest’s Audion tube came to be known as the triode tube…


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Parallel Resistor-Inductor Circuits

Parallel Resistor-Inductor Circuits

Let’s take the same components for our series example circuit…


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The J-K Flip-Flop

The J-K Flip-Flop

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


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AC Lab - Induction Motor

AC Lab - Induction Motor

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.


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Digital Ramp ADC

Digital Ramp ADC

Also known as the stairstep-ramp, or simply counter A/D converter,…


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Design Project: Audio Media-Based Signal Generator

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…


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Superconductivity

Superconductivity

Conductors lose all of their electrical resistance when cooled to…


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