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Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Quantum Devices

Textbook

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

Conventional Transistor Overview and Special Transistors

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A microcontroller is a specialized type of digital computer used to…

Class A BJT Amplifiers

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

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

Active Filters

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

Mixed-Frequency Signals

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

Calculus for Electric Circuits

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

Switched Capacitor Circuitry

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Write an equation describing the precise mathematical relationship…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

The Cascode Amplifier

Textbook

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

Radio Circuits

Textbook

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

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

OpAmp Oscillator Circuits

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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…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Class B BJT Amplifiers

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

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

Field-effect-controlled Thyristors

Textbook

Two relatively recent technologies designed to reduce the…

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

The “Buffer” Gate

Textbook

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

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

555 Hysteretic Oscillator

Textbook

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

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

Phase Rotation

Textbook

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

Radio Circuits

Textbook

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

Bipolar Junction Transistor (BJT) theory

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

Bridge Circuits

Textbook

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

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

Passive Integrator and Differentiator Circuits

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

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Differential Amplifier

Textbook

PARTS AND MATERIALS Two 6-volt batteries Two NPN…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Basic Circuit Troubleshooting

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Determine if the light bulb will de-energize for each of the following…

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

Questions relating to project management

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NAME:…

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…

DC Mesh Current Analysis

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

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Voltage Divider Circuits

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

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Introduction to Network Theorems

Textbook

Anyone who’s studied geometry should be familiar with the…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Characteristic Impedance

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Note the “50 ohm” rating printed on the jacket of the cable. What…

Binary Math

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

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Phasing

Textbook

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

Negative Feedback OpAmp Circuits

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

Shift Registers

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