What is a harmonic frequency? If an oscillator circuit outputs a…
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With BogusBus, our signals were very simple and straightforward: each…
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Just as devices have been made to measure certain physical quantities…
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What shape of voltage waveform would you expect to measure (using an…
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One of the more fascinating applications of electricity is in the…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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Impedance Matching Because transformers can step voltage and current…
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Normally, the rotor windings of a wound rotor induction motor are…
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A modern method of electrical power control involves inserting a…
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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The wires between the tank and the monitoring location is called…
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In very simple, qualitative terms, rate the impedance of capacitors…
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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.
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Aside from the issues of the physical network (signal types and…
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What does the acronym RF stand form, in reference to radio-related…
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Whenever there is a mismatch of impedance between transmission line…
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Varicap or varactor diodes A variable capacitance diode is known as a…
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This is a schematic for a simple VCO: The oscillator is of the RC…
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A waveguide is a special form of transmission line consisting of a…
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What is Attenuators? Attenuators are passive devices. It is…
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This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
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It has been found that any repeating, non-sinusoidal waveform can be…
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In our study of AC circuits thus far, we’ve explored circuits…
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This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
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What shape of voltage waveform would you expect to measure (using an…
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Computerized Fourier analysis, particularly in the form of the FFT…
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Just as devices have been made to measure certain physical quantities…
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This calculator computes the inductance of a microstrip etched on a PCB.
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Has the system ever worked before? If yes, has anything happened to…
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Research the FCC (Federal Communication Commission) guidelines on…
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Aside from the issues of the physical network (signal types and…
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A tool designed to calculate the power density of an antenna
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The Maximum Power Transfer Theorem is not so much a means of analysis…
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This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
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This calculator computes the noise figure and noise temperature in a system
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What is Conductance? In the study of DC circuits, the student of…
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A calculator designed to compute the power-added efficiency (PAE) of an amplifier
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It is sometimes said regarding electrical safety that, Ït’s not the…
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Quantum physics describes the states of electrons in an atom according…
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A helpful tool for calculating the impedance of a coaxial cable.
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A calculator for solving the capacitance, reactance, and admittance of a capacitor.
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Brushless DC motors were developed from conventional brushed DC motors…
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Inductors do not have a stable “resistance” as conductors…
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The fourth example has A partially overlapping B. Though, we will…
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Contributors to this chapter are listed in chronological order of…
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In the previous section, we saw a circuit using one J-K flip-flop that…
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Value of time constant in series RC and RL circuits Time…
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Thyristors are a broad classification of bipolar-conducting…
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Another variation on a theme of bistable multivibrators is the J-K…
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A Logic Gate is assigned as an elementary building block of…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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Cathode: This is the electrode that is heated and emits the…
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Wire-by-Number project: simple voltage divider Description: Build a…
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Solid-state switching circuits usually keep their constituent…
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This calculator determines the resistance of a microstrip trace
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In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
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Certain substances are known to physically deform (shorten or…
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In mathematics, an identity is a statement true for all possible…
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