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Class A BJT Amplifiers

Worksheets - Microphones

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

Summer and Subtractor OpAmp Circuits

Worksheets - Microphones

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

Decibel Measurements

Worksheets - Microphones

During the early development of telephone technology, a unit was…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Active Filters

Worksheets - Microphones

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

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

Passive Filter Circuits

Worksheets - Microphones

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

Design Project: Audio Tone Control

Worksheets - Microphones

Suppose you were installing a high-power stereo system in your car,…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

The Common-emitter Amplifier

Textbook

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

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Design Project: Sensitive Audio Detector

Worksheets - Microphones

The choice of step-down transformers to use in a project such as this…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Microphones

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Mixed-Frequency Signals

Worksheets - Microphones

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

Sensitive Audio Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio headphones…

Bipolar Transistor Biasing Circuits

Worksheets - Microphones

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

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Microphones

Worksheets - Microphones

Explain how a moving-coil, or dynamic microphone works. Identify how…

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Bridge Circuits

Textbook

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

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

Potentiometers

Worksheets - Microphones

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

MESFETs

Textbook

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

Analog-to-Digital Conversion

Worksheets - Microphones

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

Power Measurement

Textbook

Power measurement in AC circuits can be quite a bit more complex than…

Differential Equations

Textbook

As opposed to normal equations where the solution is a number, a…

Early Tube History

Textbook

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

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF 120VAC…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Example Circuits and Netlists

Textbook

The following circuits are pre-tested netlists for SPICE 2g6, complete…

Making a Venn Diagram Look Like a Karnaugh Map

Textbook

Starting with circle A in a rectangular A’ universe in figure (a)…