In very simple, qualitative terms, rate the impedance of capacitors…
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Early in my explorations of electricity, I came across a length of…
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This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
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This tool is designed to calculate the maximum distance (range) that a radar can detect
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
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The Q, or quality, factor of a resonant circuit is a measure of the…
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Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
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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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What voltage will you choose to use for each of the station batteries?
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A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
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Don’t just sit there! Build something!! Learning to analyze digital…
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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.
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This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
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All About Contactors When a relay is used to switch a large amount of…
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What is the purpose of the switch shown in this schematic diagram?
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Like its bipolar cousin, the field-effect transistor may be used as an…
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Don’t just sit there! Build something!! Learning to mathematically…
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A tool designed to calculate the noise figure of cascaded amplifiers
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Bipolar junction transistors (Also known as BJTs) can be used as an…
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A very useful tool for observing rotating objects is a strobe light.…
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A third variation on the counter-DAC-based converter theme is, in my…
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In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
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Voltage is commonly defined as “electrical pressure.” The unit of…
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Current Source It is possible through the use of electronic amplifiers…
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In the previous section, we explored what would happen in simple…
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Because capacitors store energy in the form of an electric field, they…
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In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.
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In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.
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In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
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In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
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If we add a voltage divider to the negative feedback wiring so that…
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Solid-state switching circuits usually keep their constituent…
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This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
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