Categories

Positive Feedback OpAmp Circuits

Worksheets - Oscillators

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

Mixed-Frequency Signals

Worksheets - Oscillators

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

Oscillator Circuits

Textbook

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

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Negative Feedback OpAmp Circuits

Worksheets - Oscillators

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

AC Negative Feedback OpAmp Circuits

Worksheets - Oscillators

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

Feedback

Textbook

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

555 Hysteretic Oscillator

Textbook

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

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Summer and Subtractor OpAmp Circuits

Worksheets - Oscillators

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

Node Voltage Method

Textbook

The node voltage method of analysis solves for unknown voltages at…

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Mixed-Frequency Signals

Worksheets - Oscillators

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

Special Diodes

Worksheets - Oscillators

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

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Zener Diodes

Worksheets - Oscillators

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

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

Series Circuit Rules

Textbook

Current Components in a series circuit share the same current: Itotal…

Design Project: DC Voltage Regulator

Worksheets - Oscillators

It may seem difficult to even start on a project such as this, with no…

Transistor Ratings and Packages (BJT)

Textbook

Like all electrical and electronic components, transistors are limited…

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Calculating Electric Power

Textbook

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

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

Shift Registers

Worksheets - Oscillators

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

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

AC Capacitor Circuits

Textbook

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

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Binary Math

Worksheets - Oscillators

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

Positive Feedback OpAmp Circuits

Worksheets - Oscillators

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…

Boolean Algebraic Properties

Textbook

Another type of mathematical identity, called a “property”…

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

CMOS Logic Gates

Worksheets - Oscillators

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

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Rate-of-change Indicator

Textbook

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

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…

Finite-state Machine

Textbook

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

Simple Series Resonance

Textbook

A similar effect happens in series inductive/capacitive circuits. When…

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…

Calculus for Electric Circuits

Worksheets - Oscillators

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…