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How to Create Band-pass Filter There are applications where a…
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In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.
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Testing a JFET with a multimeter might seem to be a relatively easy…
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In very simple, qualitative terms, rate the impedance of capacitors…
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A microcontroller is a specialized type of digital computer used to…
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This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
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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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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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The Insulated-Gate Field-Effect Transistor (IGFET), also known as…
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Don’t just sit there! Build something!! Learning to mathematically…
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Remember that this tutorial is not exhaustive by any means, and that…
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The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
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The field effect transistor was proposed by Julius Lilienfeld in US…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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While the C-B (common-base) amplifier is known for wider bandwidth…
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What is a harmonic frequency? If an oscillator circuit outputs a…
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In the common-emitter section of this chapter, we saw a SPICE analysis…
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In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.
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Voltage Components in a parallel circuit share the same voltage:…
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Determine the output voltage polarity of this op-amp (with reference…
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Don’t just sit there! Build something!! Learning to mathematically…
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So far we know that AC voltage alternates in polarity and AC current…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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There was some historic crude, but usable semiconductor…
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What are Time-Delay Relays? Some relays are constructed with a kind of…
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What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
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This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
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In this introduction to series resistance circuits, we will explain…
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There are not too many circuit symbols for bipolar transistors. There…
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Computers can be powerful tools if used properly, especially in the…
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Introduction This third volume of the book series Lessons In Electric…
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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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Don’t just sit there! Build something!! Learning to mathematically…
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An often neglected area of study in modern electronics is that of…
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When capacitors are connected in series, the total capacitance is…
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What is Attenuators? Attenuators are passive devices. It is…
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In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.
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A thyristor is a device that has a number of unusual characteristics.…
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In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.
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Our exploration of thyristors begins with a device called the…
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Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
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Generally speaking, how many “time constants” worth of time does…
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The Use of Logic Gate Inverters and buffers exhaust the possibilities…
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In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
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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.
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Don’t just sit there! Build something!! Learning to analyze digital…
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This tool is designed to compute for the trace width of a microstrip
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The armature windings of your DC motor will have very low resistance.…
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Consider a circuit for a single-phase AC power system, where a 120…
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Whenever there is a mismatch of impedance between transmission line…
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This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
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Electricity and Magnetism An electric current through a conductor will…
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All entries arranged in alphabetical order of surname. Major…
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This calculator computes the noise figure and noise temperature in a system
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What factors determine where potentiometers Rpot1 and Rpot2 must be…
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