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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…

Negative Feedback OpAmp Circuits

Worksheets - Oscillators

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

Oscillator Circuits

Textbook

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

555 Hysteretic Oscillator

Textbook

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

Positive Feedback OpAmp Circuits

Worksheets - Oscillators

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

Frequency and Phase Measurement

Textbook

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

Mixed-Frequency Signals

Worksheets - Oscillators

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

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Clamper Circuits

Textbook

The circuits in the figure below are known as clampers or DC…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

Voltage and Current Calculations

Textbook

There’s a sure way to calculate any of the values in a reactive…

The Thyristor

Textbook

555 Hysteretic Oscillator

Textbook

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

Series Circuit Rules

Textbook

Components in a series circuit share the same current: Itotal = I1 =…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

Phase Rotation

Textbook

Three-Phase Alternator Let’s take the three-phase alternator…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Feedback

Textbook

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

Simple Parallel Circuits

Textbook

On this page, we’ll outline the three principles you should…

Superposition Theorem

Textbook

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

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Inductor-Capacitor “tank” Circuit

Textbook

PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Square Wave Signals

Textbook

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

The Antiderivative (Indefinite Integral)

Textbook

Notice something important here: taking the derivative of f(x) may…

Open-Loop OpAmp Circuits

Worksheets - Oscillators

Determine what the magnitude and polarity of the voltmeter’s…

Capacitance

Worksheets - Oscillators

Write an equation describing the precise mathematical relationship…

Half-Adder

Textbook

As a first example of useful combinational logic, let’s build a…

555 Schmitt Trigger

Textbook

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

Special-purpose Batteries

Textbook

Mercury Standard Cell Back in the early days of electrical measurement…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Inductors

Textbook

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

Introduction to DC Circuits

Textbook

“DC” stands for Direct Current, which can refer to either…

Simultaneous Equations for Circuit Analysis

Worksheets - Oscillators

Solve this equation for the value of x: x 5 = 8 How many exact…

Inductors

Worksheets - Oscillators

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…