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JFET Amplifiers

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Don’t just sit there! Build something!! Learning to mathematically…

Class C BJT Amplifiers

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A common class of operation used in radio-frequency (RF) amplifier…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Miscellaneous Diode Applications

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Don’t just sit there! Build something!! Learning to mathematically…

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Open-Loop OpAmp Circuits

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Determine what the magnitude and polarity of the voltmeter’s…

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Four-Channel Audio Mixer

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A very common misconception students have about potentiometers is the…

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Textbook

An unbalanced Wheatstone bridge cannot be solved using simple series…

Derivative of a Constant

Textbook

    (“c” being a constant)   RELATED…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

Wire Over Plane Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire-over-plane setup.

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

AC Circuit Equations

Textbook

Inductive Reactance     Capacitive Reactance    …

Series-Parallel DC Circuits

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Don’t just sit there! Build something!! Learning to mathematically…

Design Project: Event Counter

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If your event sensing switch is mechanical in nature, you will likely…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.