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Positive Feedback OpAmp Circuits

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

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

Radio Circuits

Textbook

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

Oscillator Circuits

Worksheets - Crystals and Resonators

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

Digital Logic Signals

Worksheets - Crystals and Resonators

A rheostat (variable resistor) and a switch are both examples of…

Switched Capacitor Circuitry

Worksheets - Crystals and Resonators

Write an equation describing the precise mathematical relationship…

Signal Modulation

Worksheets - Crystals and Resonators

A modern method of electrical power control involves inserting a…

Resonance

Worksheets - Crystals and Resonators

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

Series and Parallel AC Circuits

Worksheets - Crystals and Resonators

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

OpAmp Oscillator Circuits

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

Generally speaking, how many “time constants” worth of time does…

Time Constant Calculations

Worksheets - Crystals and Resonators

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

555 Hysteretic Oscillator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Voltage Divider Circuits

Worksheets - Crystals and Resonators

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

Active Filters

Worksheets - Crystals and Resonators

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

Resonance

Worksheets - Crystals and Resonators

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

Battery Life Calculator

Tools

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.

Capacitors and Calculus

Textbook

Capacitors do not have a stable “resistance” as conductors…

Conductance

Textbook

When students first see the parallel resistance equation, the natural…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Rate-of-change Indicator

Textbook

PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…

Correct use of Ohm’s Law

Textbook

Reminders When Using Ohm’s Law One of the most common mistakes…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Specific Resistance of Conductors

Worksheets - Crystals and Resonators

Given two lengths of metal wire, which one will have the least…

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Energy, Work, and Power

Worksheets - Crystals and Resonators

Define the following terms: energy, work, and power.

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

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.

What Are Zener Diodes?

Textbook

What Is a Zener Diode? A Zener diode is a special type of rectifying…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Textbook

We have the symbols for depletion mode and enhancement mode MOSFETs -…

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Design Project: Sensitive Microphone Amplifier

Worksheets - Crystals and Resonators

Identify which direction each potentiometer wiper must move in this…

TTL Logic Gates

Worksheets - Crystals and Resonators

Counting practice: count from zero to thirty-one in binary, octal, and…

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Sensitive Voltage Detector

Textbook

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

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Absolute dB scales

Textbook

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

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Crystals and Resonators

(Template)

Design Project: AC-DC Power Supply

Worksheets - Crystals and Resonators

Safety is very important when designing and/or building a device…

Switched Capacitor Circuitry

Worksheets - Crystals and Resonators

Write an equation describing the precise mathematical relationship…

True, Reactive, and Apparent Power

Textbook

Reactive Power We know that reactive loads such as inductors and…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…