Designing Audio Power Amplifiers by Bob Cordell

By Bob Cordell

Master the paintings of audio energy amplifier design

This complete publication on audio strength amplifier layout will attract individuals of the pro audio engineering group in addition to the hobbyist. Designing Audio strength Amplifiers starts with energy amplifier layout fundamentals beginner can comprehend and strikes throughout to in-depth layout strategies for the very refined audiophile audio energy amplifier clothier. this is often the only top resource of data for an individual who desires to layout an audio strength amplifier, even if for enjoyable or revenue. enhance and hone your audio layout abilities with in-depth assurance of those and different subject matters:

* fundamentals of audio strength amplifier layout
* MOSFET energy amplifiers and blunder correction
* Static and dynamic crossover distortion demystified
* knowing damaging suggestions and the talk surrounding it
* complex destructive suggestions reimbursement recommendations
* refined DC servo layout
* Audio measurements and instrumentation
* missed assets of distortion
* SPICE simulation for audio amplifiers, together with an instructional
* SPICE transistor modeling, together with the EKV version for energy MOSFETs
* Thermal layout and using ThermalTrak transistors
* 4 chapters dedicated to classification D amplifiers

Supplemental fabric to be had at www.cordellaudio.com includes:
* Ready-to-run amplifier simulations
* Key transistor versions
* different bonus materials

Uploader's note: seems to be a retail copy.

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If this amplifier has a power supply with 10% regulation from no-load to full load (which is fairly good), the available power supply voltage will be about 10% higher during a short-term burst. This will result in a short-term power capability on the order of 120 W, since power goes as the square of voltage. Dynamic headroom is a two-edged sword. It is good to have it because music tends to have an average power level much lower than the brief peak power levels it can demand (referring again to the crest factor).

Some information about transistors will first be discussed, followed by a simple analysis of the basic building block circuits that are inevitably used to build a complete amplifier circuit. This will provide a good foundation for the detailed analysis of the basic amplifier that follows. Chapter 3 will then take us on a tour of amplifier design, evolving and assessing a design as its performance is improved to a high level. 1 About Transistors The bipolar junction transistor (BJT) is the primary building block of most audio power amplifiers.

If this amplifier has a power supply with 10% regulation from no-load to full load (which is fairly good), the available power supply voltage will be about 10% higher during a short-term burst. This will result in a short-term power capability on the order of 120 W, since power goes as the square of voltage. Dynamic headroom is a two-edged sword. It is good to have it because music tends to have an average power level much lower than the brief peak power levels it can demand (referring again to the crest factor).

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