Categories

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Network Topology

Textbook

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

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Impedance Matching With Transformers

Worksheets - Wireless/RF

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Passive Filter Circuits

Worksheets - Wireless/RF

In very simple, qualitative terms, rate the impedance of capacitors…

Pi Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Specific Resistance of Conductors

Worksheets - Wireless/RF

Given two lengths of metal wire, which one will have the least…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Control Circuits

Textbook

Metric Prefix Conversions

Textbook

To express a quantity in a different metric prefix from how it was…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

555 Timer Astable Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.

Design Project: Dual-output AC-DC Power Supply

Worksheets - Wireless/RF

Safety is very important when designing and/or building a device…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Diodes

Textbook

A diode is an electronics component made from a combination of a…

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Physical Effects of Electricity

Worksheets - Wireless/RF

Certain substances are known to physically deform (shorten or…

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Building a Differential Amplifier

Textbook

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

Active Filters

Worksheets - Wireless/RF

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

Synchronous Counters

Textbook

What is a Synchronous Counter? A synchronous counter, in contrast to…

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

Shock Current Path

Textbook

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

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

Trigonometric Equivalencies

Textbook

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Rectifier Circuits

Worksheets - Wireless/RF

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

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Op-Amp Voltage and Gain Calculator

Tools

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

Optoelectronic Devices

Worksheets - Wireless/RF

In this circuit, the electric motor is supposed to turn on whenever…

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…