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Si Lab - Astable Multivibrator Audio Oscillator

Textbook

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

AC Lab - Noise Cancellation

Textbook

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.

AC Lab - PC Oscilloscope

Textbook

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.

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Multiplexers and Demultiplexers

Worksheets - Microphones

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

AC Lab - Frequency Analysis

Textbook

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.

Design Project: Sensitive Audio Detector

Worksheets - Microphones

The choice of step-down transformers to use in a project such as this…

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

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.

Clipper and Clamper Circuits

Worksheets - Microphones

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

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Microphones

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Microphones

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

Decibel Measurements

Worksheets - Microphones

During the early development of telephone technology, a unit was…

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Class A BJT Amplifiers

Worksheets - Microphones

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

Resonance

Worksheets - Microphones

The Q factor of a series inductive circuit is given by the following…

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Parallel Resistor Calculator

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.

IGFET Amplifiers

Worksheets - Microphones

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

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

Synchronous Counters

Textbook

What is a Synchronous Counter? A synchronous counter, in contrast to…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Flip-Flop Circuits

Worksheets - Microphones

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

Biasing Techniques (IGFET)

Textbook

Mixed-Frequency Signals

Worksheets - Microphones

What is a harmonic frequency? If an oscillator circuit outputs a…

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Microphones

What do each of the oscilloscope axes represent, in real-life terms…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

The Common-source Amplifier (IGFET)

Textbook

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

AC Resistor Circuits (Capacitive)

Textbook

Pure resistive AC circuit: voltage and current are in phase.  …

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

Design Project: Telegraph System

Worksheets - Microphones

What voltage will you choose to use for each of the station batteries?