Categories

Square Wave Signals

Textbook

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

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Introduction to Mixed-Frequency AC Signals

Textbook

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

Passive Filter Circuits

Worksheets - Digital Signal Processing

In very simple, qualitative terms, rate the impedance of capacitors…

Mixed-Frequency Signals

Worksheets - Digital Signal Processing

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

Design Project: Audio Tone Control

Worksheets - Digital Signal Processing

Suppose you were installing a high-power stereo system in your car,…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

AC Network Analysis

Worksheets - Digital Signal Processing

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

Oscillator Circuits

Worksheets - Digital Signal Processing

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

Basic Troubleshooting Strategies

Worksheets - Digital Signal Processing

A chandelier has five light bulbs in it, and one of them is not…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Digital Signal Processing

(Template)

Multi-Stage Transistor Amplifiers

Worksheets - Digital Signal Processing

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

Design Project: Audio Media-Based Signal Generator

Worksheets - Digital Signal Processing

Identify some different ways you can create the sine-wave audio tracks…

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio headphones…

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Summer and Subtractor OpAmp Circuits

Worksheets - Digital Signal Processing

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

Impedance Matching With Transformers

Worksheets - Digital Signal Processing

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Multiplexers and Demultiplexers

Worksheets - Digital Signal Processing

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

Design Project: Sensitive Audio Detector

Worksheets - Digital Signal Processing

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

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

Design Project: Audio Power Amplifier

Worksheets - Digital Signal Processing

Explain how the microphone in your amplifier works. How, exactly, does…

AC Waveforms

Worksheets - Digital Signal Processing

Radio waves are comprised of oscillating electric and magnetic fields,…

Series and Parallel AC Circuits

Worksheets - Digital Signal Processing

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

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Superposition Theorem

Textbook

Superposition theorem is one of those strokes of genius that takes a…

Junction field-effect transistors (JFET)

Worksheets - Digital Signal Processing

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Universal Shift Registers: Parallel-in, Parallel-out

Textbook

The purpose of the parallel-in/ parallel-out shift register is to…

Asynchronous Counters

Textbook

In the previous section, we saw a circuit using one J-K flip-flop…

Transistors, junction field-effect (JFET)

Textbook

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

555 Hysteretic Oscillator

Textbook

Try out our 555 Timer Astable Circuit in our Tools section. PARTS AND…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

Introduction to Network Theorems

Textbook

Anyone who’s studied geometry should be familiar with the…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Transistor Ratings and Packages (BJT)

Textbook

Like all electrical and electronic components, transistors are limited…

Servo Motor Systems

Worksheets - Digital Signal Processing

Explain the operation of this “H-bridge” motor control circuit: At…

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Voltage/Current Converter OpAmp Circuits

Worksheets - Digital Signal Processing

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