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The Cascode Amplifier

Textbook

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

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Bipolar Junction Transistor (BJT) theory

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Class A BJT Amplifiers

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Performance-Based Assessments for Semiconductor Circuit Competencies

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Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

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

Textbook

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

Passive Filter Circuits

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In very simple, qualitative terms, rate the impedance of capacitors…

Radio Circuits

Textbook

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

Junction field-effect transistors (JFET)

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Summer and Subtractor OpAmp Circuits

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Quantum Devices

Textbook

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

Mixed-Frequency Signals

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

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Rectifier/Filter Circuit

Textbook

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

Bandpass Filter Calculator

Tools

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

Active Filters

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Negative Feedback OpAmp Circuits

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Biasing Techniques (BJT)

Textbook

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

Insulated-gate Field-effect Transistors (MOSFET)

Textbook

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…

Circuit Components

Textbook

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

Harmonic Phase Sequences

Textbook

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

DC Generator Theory

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Generators used in battery-charging systems must be regulated so as to…

Divided Feedback

Textbook

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

Resonant Filters

Textbook

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

Inductive Reactance

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Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Radio Circuits

Textbook

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

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Class C BJT Amplifiers

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

Digital-to-Analog Conversion

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If a pulse-width modulated (PWM) signal is sent to a passive…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Textbook

We have the symbols for depletion mode and enhancement mode MOSFETs -…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Time-delay Relays

Textbook

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

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Digital Logic Functions

Textbook

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

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

AC Motor Theory

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Electromechanical watt-hour meters use an aluminum disk that is spun…

Basic Troubleshooting Strategies

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A chandelier has five light bulbs in it, and one of them is not…

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Multi-Stage Amplifier

Textbook

PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

Temperature Coefficients of Resistance Table

Textbook

Temperature coefficient (α) per degree C: Material Element/Alloy…

Potentiometers

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Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

Transistor Ratings and Packages (BJT)

Textbook

Like all electrical and electronic components, transistors are limited…

PWM Power Controller

Textbook

PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Current Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Network Protocols

Textbook

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