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Friis Transmission Calculator

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - Modules

Phase-Locked Loops

Phase-Locked Loops

This is a schematic for a simple VCO: The oscillator is of the RC…


Worksheets - Modules

Principles of Radio

Principles of Radio

One of the more fascinating applications of electricity is in the…


Textbook

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Design Project: Pulse-Width Modulation (PWM) Signal Generator

What shape of voltage waveform would you expect to measure (using an…


Worksheets - Modules

Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


Textbook

Pulse Width Modulation

Pulse Width Modulation

Pulse Width Modulation (PWM) uses digital signals to control power…


Textbook

Signal Modulation

Signal Modulation

A modern method of electrical power control involves inserting a…


Worksheets - Modules

Network Protocols

Network Protocols

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


Textbook

Radio Circuits

Radio Circuits

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


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


Textbook

Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


Textbook

Other Diode Technologies

Other Diode Technologies

Varicap or varactor diodes A variable capacitance diode is known as a…


Textbook

Digital Communication

Digital Communication

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


Worksheets - Modules

Fundamentals of Radio Communication

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…


Worksheets - Modules

Waveguides

Waveguides

A waveguide is a special form of transmission line consisting of a…


Textbook

Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


Textbook

Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


Textbook

Resonant Filters

Resonant Filters

So far, the filter designs we’ve concentrated on have employed…


Textbook

Decibels

Decibels

The Bel is Used to Represent Gain In its simplest form, an…


Textbook

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.


Tools

Microstrip Patch Antenna Calculator

Microstrip Patch Antenna Calculator

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.


Tools

Susceptance and Admittance

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…


Textbook

Data Flow

Data Flow

Buses and networks are designed to allow communication to occur…


Textbook

Network Topology

Network Topology

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


Textbook

Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


Textbook

What is Network Analysis?

What is Network Analysis?

The basic application of Ohm’s law to combinations of series and…


Textbook

Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


Textbook

Decibel Calculator

Decibel Calculator

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.


Tools

Waveguide Calculator (Rectangular)

Waveguide Calculator (Rectangular)

This tool calculates the cutoff frequency of a rectangular waveguide


Tools

High-pass Filters

High-pass Filters

A high-pass filter’s task is just the opposite of a low-pass…


Textbook

Noise Figure and Noise Temperature Calculator

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system


Tools

BJT Quirks

BJT Quirks

An ideal transistor would show 0% distortion in amplifying a signal.…


Textbook

Friis Transmission Calculator

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.


Tools

Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Bridged-Tee Attenuator Calculator

Bridged-Tee Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.


Tools

The Exclusive-OR Function: The XOR Gate

The Exclusive-OR Function: The XOR Gate

What Is an XOR Gate? One element conspicuously missing from the set of…


Textbook

Voltage Divider Circuits

Voltage Divider Circuits

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


Worksheets - Modules

Millman’s Theorem Revisited

Millman’s Theorem Revisited

You may have wondered where we got that strange equation for the…


Textbook

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.


Textbook

Ideal Diode Current and Voltage Calculator

Ideal Diode Current and Voltage Calculator

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.


Tools

AC Bridge Circuits

AC Bridge Circuits

As we saw with DC measurement circuits, the circuit configuration…


Textbook

Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


Textbook

Octal and Hexadecimal Numeration

Octal and Hexadecimal Numeration

Because binary numeration requires so many bits to represent…


Textbook

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


Worksheets - Modules

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Si Lab - Full-wave Bridge Rectifier With Output Filtering

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.


Textbook

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.


Tools

Simple Parallel (Tank Circuit) Resonance

Simple Parallel (Tank Circuit) Resonance

Resonance in a Tank Circuit A condition of resonance will be…


Textbook

Series DC Circuits Practice Worksheet with Answers

Series DC Circuits Practice Worksheet with Answers

In this circuit, three resistors receive the same amount of current (4…


Worksheets - Modules

Safety Grounding

Safety Grounding

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


Worksheets - Modules

Physical Effects of Electricity

Physical Effects of Electricity

Certain substances are known to physically deform (shorten or…


Worksheets - Modules

Display Tubes

Display Tubes

In addition to performing tasks of amplification and switching, tubes…


Textbook

Re-drawing Complex Schematics

Re-drawing Complex Schematics

Typically, complex circuits are not arranged in nice, neat, clean…


Textbook

Mutual Inductance

Mutual Inductance

If two coils of wire are brought into close proximity with each other…


Textbook

Contributors (16)

Contributors (16)

Contributors to this chapter are listed in chronological order of…


Textbook

Logic Signal Voltage Levels

Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…


Textbook