All About Circuits

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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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Microprocessors

Microprocessors

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


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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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Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. 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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Microprocessors

Microprocessors

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


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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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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 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 NOR and OR gates

TTL NOR and OR gates

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


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Shift Registers

Shift Registers

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


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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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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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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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Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

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


Textbook

Memory Devices

Memory Devices

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


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Modern Nonmechanical Memory

Modern Nonmechanical Memory

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


Textbook

Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

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


Textbook

Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


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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 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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Stripline Max Current Calculator

Stripline Max Current Calculator

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


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Physiological Effects of Electricity

Physiological Effects of Electricity

Most of us have experienced some form of electric “shock,”…


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Simple Vector Addition

Simple Vector Addition

Remember that vectors are mathematical objects just like numbers on a…


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Transistors, junction field-effect (JFET)

Transistors, junction field-effect (JFET)

Note that the direction of the arrow at the gate indicates the…


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Harmonic Phase Sequences

Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…


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Decimal versus Binary Numeration

Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…


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JFET Quirks

JFET Quirks


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Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


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Free Space Path Loss Calculator

Free Space Path Loss Calculator

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.


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Design Project: Simple Component Curve-Tracer Circuit

Design Project: Simple Component Curve-Tracer Circuit

What do each of the oscilloscope axes represent, in real-life terms…


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Radio Circuits

Radio Circuits

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…


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Electrical Transients

Electrical Transients

This chapter explores the response of capacitors and inductors to…


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Symmetric Stripline Impedance Calculator

Symmetric Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a symmetric stripline.


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Counters

Counters

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


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Converting Between Thevenin and Norton Equivalent Circuits

Converting Between Thevenin and Norton Equivalent Circuits

Since Thevenin’s theorem and Norton’s theorems are two…


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Electrical Noise and Interference

Electrical Noise and Interference

Define what noise means, in the electrical sense of the word. How does…


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Shift Registers

Shift Registers

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


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Vol I. Credits

Vol I. Credits

All entries arranged in alphabetical order of surname. Major…


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Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

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


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Asynchronous Flip-Flop Inputs

Asynchronous Flip-Flop Inputs

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


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