All About Circuits

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Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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BJT Quirks

BJT Quirks

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


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Radar Maximum Range Calculator

Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


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Microstrip Patch Antenna Calculator

Microstrip Patch Antenna Calculator

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


Tools

Waveguides

Waveguides

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


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Noise Figure Calculator

Noise Figure Calculator

A tool designed to calculate the noise figure of cascaded amplifiers


Tools

Introduction to Digital Communication

Introduction to Digital Communication

In the design of large and complex digital systems, it is often…


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Capacitance, Reactance, and Admittance Calculator

Capacitance, Reactance, and Admittance Calculator

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


Tools

Waveguides

Waveguides

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


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Magnetic Fields and Inductance

Magnetic Fields and Inductance

Whenever electrons flow through a conductor, a magnetic field will…


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Finite-length Transmission Lines

Finite-length Transmission Lines

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


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Antenna Downtilt and Coverage Calculator

Antenna Downtilt and Coverage Calculator

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.


Tools

Polar Form and Rectangular Form Notation for Complex Numbers

Polar Form and Rectangular Form Notation for Complex Numbers

In order to work with complex numbers without drawing vectors, we…


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Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


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Amplifier Gain

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…


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Square Wave Signals

Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…


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ElectroStatic Discharge

ElectroStatic Discharge

At the start of this book, we discussed static electricity and how it…


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Other Waveshapes

Other Waveshapes

As strange as it may seem, any repeating, non-sinusoidal waveform is…


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Bandpass Filter Calculator

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.


Tools

Microstrip Wavelength Calculator

Microstrip Wavelength Calculator

A tool designed to calculate the guided wavelength inside a microstrip.


Tools

Other Diode Technologies

Other Diode Technologies

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


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Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


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Frequency and Phase Measurement

Frequency and Phase Measurement

An important electrical quantity with no equivalent in DC circuits is…


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Band Theory of Solids

Band Theory of Solids

Quantum physics describes the states of electrons in an atom according…


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Microstrip Inductance Calculator

Microstrip Inductance Calculator

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


Tools

Si Lab - Commutating Diode

Si Lab - Commutating Diode

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.


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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.


Tools

Transistors, Bipolar

Transistors, Bipolar

There are not too many circuit symbols for bipolar transistors. There…


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Practical Considerations - Batteries

Practical Considerations - Batteries

When connecting batteries together to form larger “banks”…


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Trigonometric Equivalencies

Trigonometric Equivalencies


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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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AC Network Analysis

AC Network Analysis

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


Worksheets - Antennas

Time Constant Calculations

Time Constant Calculations

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


Worksheets - Antennas

Input and Output Coupling

Input and Output Coupling

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


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Introduction to AC Motors

Introduction to AC Motors

After the introduction of the DC electrical distribution system by…


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AC Lab - Frequency Analysis

AC Lab - Frequency Analysis

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.


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Op-amp Circuits

Op-amp Circuits

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


Worksheets - Antennas

Practical Considerations - Transformers

Practical Considerations - Transformers

Power Capacity As has already been observed, transformers must be well…


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Resonant Filters

Resonant Filters

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


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Power in Electric Circuits

Power in Electric Circuits

In addition to voltage and current, there is another important…


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DC Lab - Parallel Batteries

DC Lab - Parallel Batteries

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.


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Design Project: Radio Transmitter

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…


Worksheets - Antennas

Microwave Tubes

Microwave Tubes

For extremely high-frequency applications (above 1 GHz), the…


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Introduction to Network Theorems for Circuit Analysis

Introduction to Network Theorems for Circuit Analysis

Anyone who’s studied geometry should be familiar with the…


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AC Lab - PC Oscilloscope

AC Lab - PC Oscilloscope

In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.


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