All About Circuits

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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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Shift Registers

Shift Registers

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


Worksheets - Magnetic Storage

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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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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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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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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Modern Nonmechanical Memory

Modern Nonmechanical Memory

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


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Arc Flash and Arc Blast

Arc Flash and Arc Blast

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


Worksheets - Magnetic Storage

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…


Worksheets - Magnetic Storage

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…


Worksheets - Magnetic Storage

Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

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


Textbook

Flash ADC

Flash ADC

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


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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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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


Tools

Programmable Logic Technology

Programmable Logic Technology

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


Worksheets - Magnetic Storage

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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Larger 5 & 6-variable Karnaugh Maps

Larger 5 & 6-variable Karnaugh Maps

Larger Karnaugh maps reduce larger logic designs. How large is large…


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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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Op-Amp Voltage and Gain Calculator

Op-Amp Voltage and Gain Calculator

A calculator for computing the gain and output voltage of an operational amplifier


Tools

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


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Shock Current Path

Shock Current Path

As we’ve already learned, electricity requires a complete path…


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Coax Inductance Calculator

Coax Inductance Calculator

A calculator for computing the inductance of a coaxial cable.


Tools

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

Complex Number Arithmetic

Complex Number Arithmetic

Since complex numbers are legitimate mathematical entities, just like…


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Elementary Circuits

Elementary Circuits

In the simplest terms you can think of, define what an electrical…


Worksheets - Magnetic Storage

AC Voltmeters and Ammeters

AC Voltmeters and Ammeters

AC electromechanical meter movements come in two basic arrangements:…


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Maximum Power Transfer Theorem

Maximum Power Transfer Theorem

The Maximum Power Transfer Theorem is not so much a means of analysis…


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Switches, Hand Actuated

Switches, Hand Actuated

A switch is an electrical component that can “make” or…


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Analysis Options

Analysis Options

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…


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Thyristor Application Circuits

Thyristor Application Circuits

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


Worksheets - Magnetic Storage

DC Bridge Circuits

DC Bridge Circuits

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


Worksheets - Magnetic Storage

Digital Lab - 7-segment LED Display

Digital Lab - 7-segment LED Display

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.


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Averager and Summer Circuits

Averager and Summer Circuits

If we take three equal resistors and connect one end of each to a…


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Electrons and “holes’’

Electrons and “holes’’

Pure semiconductors are relatively good insulators as compared with…


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Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


Worksheets - Magnetic Storage

Active-mode Operation (IGFET)

Active-mode Operation (IGFET)


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