In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
Textbook
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Shown here is the schematic symbol for a resistor: What is the purpose…
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This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Tools
Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.
Tools
If we were to express the series-connected DC voltages as phasors…
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What does it mean for an object to have an electric charge? Give an…
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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 connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Textbook
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
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Don’t just sit there! Build something!! Learning to mathematically…
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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 build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
Textbook
The word battery simply means a group of similar components. In…
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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As opposed to normal equations where the solution is a number, a…
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NAME:…
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Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
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Most ohmmeters of the design shown in the previous section utilize a…
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The singular reason for learning and using the binary numeration…
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Don’t just sit there! Build something!! Learning to mathematically…
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Up to this point we have considered logic reduction problems where…
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This page provides a step-by-step introduction to using the mesh…
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A tool designed to calculate the power density of an antenna
Tools
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.
Textbook
In the last section, we saw how the 3rd harmonic and all of its…
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It is fairly important to use large value resistors (10 MΩ works…
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TTL Circuit Analysis Let’s examine the following TTL circuit and…
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This calculator determines the resistance of a microstrip trace
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As with inductors, the ideal capacitor is a purely reactive device,…
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This calculator helps you compute the inductance of a wire loop.
Tools
Because the relationship between voltage, current, and resistance in…
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A serial-in, parallel-out shift register is similar to the serial-in,…
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