All About Circuits

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Microprocessors

Microprocessors

Early computer science pioneers such as Alan Turing and John Von…


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Modern Nonmechanical Memory

Modern Nonmechanical Memory

Now we can proceed to studying specific types of digital storage…


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Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

The earliest forms of digital data storage involving moving parts was…


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Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. A…


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Digital Memory Terms and Concepts

Digital Memory Terms and Concepts

When we store information in some kind of circuit or device, we not…


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Memory Devices

Memory Devices

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


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Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

The earliest forms of digital data storage involving moving parts was…


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Digital Memory Terms and Concepts

Digital Memory Terms and Concepts

When we store information in some kind of circuit or device, we not…


Textbook

Memory Devices

Memory Devices

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


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TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


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Programmable Logic Technology

Programmable Logic Technology

Define the following acronyms as they apply to digital logic circuits:…


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Shift Registers

Shift Registers

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


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Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. A…


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Read-Only Memory (ROM)

Read-Only Memory (ROM)

Read-only memory (ROM) is similar in design to static or dynamic RAM…


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Digital Lab - S-R Latch With Enable Input using NAND Gates

Digital Lab - S-R Latch With Enable Input using NAND Gates

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.


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Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


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Microprocessors

Microprocessors

Early computer science pioneers such as Alan Turing and John Von…


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Arc Flash and Arc Blast

Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…


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Digital Lab - S-R Latch Using NOR Gates

Digital Lab - S-R Latch Using NOR Gates

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.


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Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


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TTL NAND and AND gates

TTL NAND and AND gates

Suppose we altered our basic open-collector inverter circuit, adding a…


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Modern Nonmechanical Memory

Modern Nonmechanical Memory

Now we can proceed to studying specific types of digital storage…


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JFET Amplifiers

JFET Amplifiers

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


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“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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Asynchronous Counters

Asynchronous Counters

In the previous section, we saw a circuit using one J-K flip-flop that…


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AC Negative Feedback OpAmp Circuits

AC Negative Feedback OpAmp Circuits

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


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Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


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Positive Feedback

Positive Feedback

As we’ve seen, negative feedback is an incredibly useful…


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Scientific Notation and Metric Prefixes

Scientific Notation and Metric Prefixes

Write the following exponential expressions in expanded form: 101 =…


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Early Tube History

Early Tube History

Thomas Edison, that prolific American inventor, is often credited with…


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Magnetic Units of Measurement

Magnetic Units of Measurement

In electric circuits, the three basic quantities are voltage (E or V),…


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Practical Considerations - Batteries

Practical Considerations - Batteries

When connecting batteries together to form larger “banks”…


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More on Spectrum Analysis

More on Spectrum Analysis

Computerized Fourier analysis, particularly in the form of the FFT…


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Demultiplexers

Demultiplexers

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…


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The Instrumentation Amplifier

The Instrumentation Amplifier

What Is an Instrumentation Amplifier? An instrumentation amplifier…


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AC Lab - LC Tank Circuit

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.


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Digital Signals and Gates

Digital Signals and Gates

While the binary numeration system is an interesting mathematical…


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Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

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.


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Nonlinear Conduction

Nonlinear Conduction

“Advances are made by answering questions. Discoveries are made…


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Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


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Active-mode Operation (IGFET)

Active-mode Operation (IGFET)


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Valence and Crystal Structure

Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…


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