In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
When lightning strikes, nearby magnetic compass needles may be seen to…
In DC and low-frequency AC circuits, the characteristic impedance of…
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
To overcome the challenge of creating necessary DC bias voltage for an…
This calculator will determine the square root, cube root, or nth root of a given number, x.
The Q factor of a series inductive circuit is given by the following…
In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
Decibel as Absolute Unit of Power It is also possible to use the…
Explain the principle of operation for the particular integrated…
In the common-emitter section of this chapter, we saw a SPICE analysis…
In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.
Don’t just sit there! Build something!! Learning to mathematically…
What is a harmonic frequency? If an oscillator circuit outputs a…
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.
What is Attenuators? Attenuators are passive devices. It is…
In our study of AC circuits thus far, we’ve explored circuits…
Power Capacity As has already been observed, transformers must be well…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
When capacitors are connected in series, the total capacitance is…
To express a quantity in a different metric prefix from how it was…
The Inductance Formula Wheeler’s formulas for…
“All men are liable to error;” —John Locke Whereas…
The expression of numerical quantities is something we tend to take…
In addition to forward voltage drop (Vf) and peak inverse voltage…
In this circuit, three resistors receive the same amount of current (4…
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to analyze relay…
Our next transistor configuration to study is a bit simpler for gain…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
With simple series circuits, all components are connected end-to-end…
AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…
Parallel-in/ serial-out shift registers do everything that the…
Don’t just sit there! Build something!! Learning to mathematically…
So far, the filter designs we’ve concentrated on have employed…
Don’t just sit there! Build something!! Learning to mathematically…
RELATED WORKSHEETS: JFET Amplifiers Worksheet
A switch is an electrical component that can “make” or…
Starting with circle A in a rectangular A’ universe in figure…
Limitations of Electromechanical Relays As versatile as…
Identify each of these logic gates by name, and complete their…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
What is the purpose of a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
Ladder diagrams are specialized schematics commonly used to document…
Don’t just sit there! Build something!! Learning to analyze digital…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
RELATED WORKSHEET: Calculus for Electric…
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Computerized Fourier analysis, particularly in the form of the FFT…
This chapter explores the response of capacitors and inductors to…
The Maximum Power Transfer Theorem is not so much a means of analysis…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the operation of this “H-bridge” motor control circuit: At…
Of course, there is a danger of electrical shock when directly…