Categories

The Common-emitter Amplifier

Textbook

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

BJT Amplifier Troubleshooting

Worksheets - Amplifiers

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

Analog Lab - Voltage Comparator

Textbook

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

Analog Lab - Non-inverting Amplifier

Textbook

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.

Radio Circuits

Textbook

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

Negative Feedback

Textbook

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

JFET Amplifiers

Worksheets - Amplifiers

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

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Class A BJT Amplifiers

Worksheets - Amplifiers

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

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Amplifiers

Si Lab - BJT Common-emitter Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

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

Decibel Calculator

Tools

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

Analog Lab - Class B Audio Amplifier

Textbook

In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.

Circuit Components

Textbook

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

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Digital Logic Signals

Worksheets - Amplifiers

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

Multi-Stage Transistor Amplifiers

Worksheets - Amplifiers

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

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Elementary Amplifier Theory

Worksheets - Amplifiers

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

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Precise Diode Circuits

Worksheets - Amplifiers

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

Clamper Circuits

Textbook

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

Stepper Motors

Worksheets - Amplifiers

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

Analog-to-Digital Conversion

Worksheets - Amplifiers

The circuit shown here is a four-bit analog-to-digital converter…

SPICE Simulation of Series and Parallel Circuits

Textbook

Previously, we examined series circuits and parallel circuits using…

The Common-emitter Amplifier

Textbook

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

Special Diodes

Worksheets - Amplifiers

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

Si Lab - Half-wave Rectifier

Textbook

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Inductive Reactance

Worksheets - Amplifiers

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

Analog Lab - Non-inverting Amplifier

Textbook

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.

Differential Transistor Amplifiers

Worksheets - Amplifiers

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

Magnetic Fields and Inductance

Textbook

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

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

PC Oscilloscope

Textbook

Project Overview The oscilloscope is an indispensable test instrument…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Binary Math

Worksheets - Amplifiers

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

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

BJT Amplifier Troubleshooting

Worksheets - Amplifiers

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

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

AC Circuit Equations

Textbook

Inductive Reactance     Capacitive Reactance    …

Arithmetic Properties

Textbook

Associative Property In addition and multiplication, terms may be…

Servo Motor Systems

Worksheets - Amplifiers

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

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Permissive and Interlock Circuits

Textbook

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

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

AC Lab - Phase Shift in a Capacitive Circuit

Textbook

In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.