All About Circuits

Latest Amplifiers Education

Categories

Elementary Amplifier Theory

Elementary Amplifier Theory

Fundamentally, an amplifier is a device that takes in a low-power…


Worksheets - Amplifiers

Class B BJT Amplifiers

Class B BJT Amplifiers

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


Worksheets - Amplifiers

The Common-emitter Amplifier

The Common-emitter Amplifier

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


Textbook

Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - Amplifiers

Active Filters

Active Filters

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


Worksheets - Amplifiers

Decibel Calculator

Decibel Calculator

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.


Tools

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

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

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


Textbook

Divided Feedback

Divided Feedback

If we add a voltage divider to the negative feedback wiring so that…


Textbook

Precise Diode Circuits

Precise Diode Circuits

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


Worksheets - Amplifiers

Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


Tools

Switched Capacitor Circuitry

Switched Capacitor Circuitry

Write an equation describing the precise mathematical relationship…


Worksheets - Amplifiers

Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


Worksheets - Amplifiers

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Amplifiers

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Amplifiers

Class C BJT Amplifiers

Class C BJT Amplifiers

A common class of operation used in radio-frequency (RF) amplifier…


Worksheets - Amplifiers

Circuit Components

Circuit Components

Remember that this tutorial is not exhaustive by any means, and that…


Textbook

Feedback

Feedback

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


Textbook

Simultaneous Equations for Circuit Analysis

Simultaneous Equations for Circuit Analysis

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


Worksheets - Amplifiers

Design Project: DC Voltage Regulator

Design Project: DC Voltage Regulator

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


Worksheets - Amplifiers

Op-Amp Practical Considerations

Op-Amp Practical Considerations

Real operational amplifiers have some imperfections compared to an…


Textbook

Transistor Ratings and Packages (IGFET)

Transistor Ratings and Packages (IGFET)


Textbook

Quantum Devices

Quantum Devices

Most integrated circuits are digital, based on MOS (CMOS) transistors.…


Textbook

Analog and Digital Signals

Analog and Digital Signals

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


Textbook

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Amplifiers

Si Lab - Astable Multivibrator Audio Oscillator

Si Lab - Astable Multivibrator Audio Oscillator

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.


Textbook

Fuses

Fuses

Normally, the ampacity rating of a conductor is a circuit design…


Textbook

Field-effect-controlled Thyristors

Field-effect-controlled Thyristors

Two relatively recent technologies designed to reduce the…


Textbook

Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…


Textbook

Capacitor Transient Response

Capacitor Transient Response

Because capacitors store energy in the form of an electric field, they…


Textbook

Binary Overflow

Binary Overflow

One caveat with signed binary numbers is that of overflow, where the…


Textbook

Encoders and Decoders

Encoders and Decoders

What does it mean, in general terms, to encode something? Conversely,…


Worksheets - Amplifiers

Non-Inverting Op-Amp Resistor Calculator

Non-Inverting Op-Amp Resistor Calculator

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


Tools

Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


Textbook

Parallel R, L, and C

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…


Textbook

LC Tank Circuit Resonance Calculator

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.


Tools

Phase-Locked Loops

Phase-Locked Loops

This is a schematic for a simple VCO: The oscillator is of the RC…


Worksheets - Amplifiers

Polarity of voltage drops

Polarity of voltage drops

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


Textbook

Negative Feedback

Negative Feedback

If we connect the output of an op-amp to its inverting input and apply…


Textbook

Analog Lab - Voltage Comparator

Analog Lab - Voltage Comparator

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.


Textbook

Transistor Biasing Calculations

Transistor Biasing Calculations

Although transistor switching circuits operate without bias, it is…


Textbook

Network Protocols

Network Protocols

Aside from the issues of the physical network (signal types and…


Textbook

Capacitance, Reactance, and Admittance Calculator

Capacitance, Reactance, and Admittance Calculator

A calculator for solving the capacitance, reactance, and admittance of a capacitor.


Tools

Inductive Reactance

Inductive Reactance

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


Worksheets - Amplifiers

DC Lab - Potato Battery

DC Lab - Potato Battery

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.


Textbook

R, L and C Summary

R, L and C Summary

With the notable exception of calculations for power (P), all AC…


Textbook

Design Project: Radio Transmitter

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…


Worksheets - Amplifiers

Design Project: Audio Power Amplifier

Design Project: Audio Power Amplifier

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


Worksheets - Amplifiers

Right Triangle Trigonometry

Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…


Textbook

AC Lab - Frequency Analysis

AC Lab - Frequency Analysis

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.


Textbook

Coax Impedance Calculator

Coax Impedance Calculator

A helpful tool for calculating the impedance of a coaxial cable.


Tools

How to Calculate Power in a Series and Parallel Circuit

How to Calculate Power in a Series and Parallel Circuit

When calculating the power dissipation of resistive components, we can…


Textbook

Bipolar Junction Transistor (BJT) theory

Bipolar Junction Transistor (BJT) theory

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


Worksheets - Amplifiers

Intro Lab - A Simple Lighting Circuit

Intro Lab - A Simple Lighting Circuit

In this hands-on electronics experiment, you will build a battery-operated circuit with a light and learn about open and short circuit failures.


Textbook

Fundamentals of Radio Communication

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…


Worksheets - Amplifiers

What is the Difference Between Series and Parallel Circuits?

What is the Difference Between Series and Parallel Circuits?

Circuits consisting of just one battery and one load resistance are…


Textbook

Battery Construction

Battery Construction

The word battery simply means a group of similar components. In…


Textbook

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Amplifiers

Don’t Care Cells in the Karnaugh Map

Don’t Care Cells in the Karnaugh Map

Up to this point we have considered logic reduction problems where…


Textbook

Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


Textbook

Stripline Max Current Calculator

Stripline Max Current Calculator

A calculator designed to calculate the maximum current that a stripline can handle


Tools