A tool designed to calculate the noise figure of cascaded amplifiers
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Decibel as Absolute Unit of Power It is also possible to use the…
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If the burden of two systems of measurement for common quantities…
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Computerized Fourier analysis, particularly in the form of the FFT…
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This calculator computes the noise figure and noise temperature in a system
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Whenever there is a mismatch of impedance between transmission line…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Wireless/RF
How to Create a Band-stop Filter? Also called band-elimination,…
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Standing waves at the resonant frequency points of an open- or…
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An ideal transistor would show 0% distortion in amplifying a signal.…
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There’s a sure way to calculate any of the values in a reactive…
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In our study of AC circuits thus far, we’ve explored circuits…
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…
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Convert between Celsius, Fahrenheit and Kelvin
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Determine if the light bulb will de-energize for each of the following…
Worksheets - Wireless/RF
A similar effect happens in series inductive/capacitive circuits. When…
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While the binary numeration system is an interesting mathematical…
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This tool calculates the cutoff frequency of a circular waveguide
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The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
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In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
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In the chapter on mixed-frequency signals, we explored the concept of…
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What are Simultaneous Equations and Systems of Equations? The terms…
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In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
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A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
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In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
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RELATED WORKSHEETS: JFET Amplifiers Worksheet
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Counting practice: count from zero to thirty-one in binary, octal, and…
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Like its bipolar cousin, the field-effect transistor may be used as an…
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If some percentage of an amplifier’s output signal is connected…
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“With Electronics Workbench, you can create circuit schematics…
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Resonance in a Tank Circuit A condition of resonance will be…
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Don’t just sit there! Build something!! Learning to mathematically…
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Protective relays are special power-sensing devices whose job it is to…
Worksheets - Wireless/RF
Three-phase Wye(Y) Connection Initially, we explored the idea of…
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In addition to voltage and current, there is another important…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.
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What is the difference between DC and AC electricity? Identify some…
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Safety is very important when designing and/or building a device…
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Contributors to this chapter are listed in chronological order of…
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Digital computers communicate with external devices through ports:…
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Although transistor switching circuits operate without bias, it is…
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The node voltage method of DC network analysis solves for unknown…
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Although many textbooks provide good introductions to digital memory…
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Learn About L/R Time Constants It is often perplexing to new students…
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Whenever there is a mismatch of impedance between transmission line…
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In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.
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In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
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Don’t just sit there! Build something!! Learning to analyze digital…
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As a first example of useful combinational logic, let’s build a…
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Resistors vs. Inductors Inductors do not behave the same way as…
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This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
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