Designing Vacuum Tube Amplifiers and Related Topics

Kompjutorski medij, dokumenti - PDF
Naslov
Designing Vacuum Tube Amplifiers and Related Topics / Charles R. Couch. -
Impressum
Eureka CA : Charles R. Couch, 2009. -
Materijalni opis
318 str : ilustr. sheme, tablice ; 28 cm. -
Napomena
Written for and about tool-capable guitarists who can use a pocket calculator

Foreword
This is not a considered work - its an impromptu idea, an impulse.
My writing skills are minimal and I am not an expert at vacuum tube amplifier design.
Formal instruction wasnt offered on this subject when I commenced my engineering education.
Ive read about vacuum tubes, both as a guitarist using vacuum tube amplifiers for many years and as a teen constructing and using amateur radio gear (WV6IJE).
My professional background is solid-state circuit and system design.
Im a retired engineer and have designed many different types of hardware (although my specialty was high frequency/microwave circuits and systems).
I also have many years of interest and experience in woodworking and metalworking.
Ive accumulated appropriate machinery (plus tooling) to fabricate the mechanical structures required by my various interests, either wood or metal.
Similarly, Ive acquired adequate electronic test equipment necessary to characterize and test my designs or evaluate modifications and repairs to my musical equipment.
The original motivation for this project was to document how engineers of an earlier time executed the design process - insofar as I could deduce it.
I did apply some modern techniques, in the form of constructing a few spreadsheets, useful for repetitive parts of the design process and minimizing computational errors.
I also used computer circuit analysis simulations to evaluate the performance of circuits discussed here - mainly as a check against the approximations and assumptions that represent a simplified design approach to these niche products.
An audience that I hope to address is the jazz guitarist who is familiar with simple vacuum tube circuits, can read a circuit schematic, has an understanding of how vacuum tubes function, owns some basic equipment for measurement of voltages and currents and a healthy respect for the high voltages always present in these devices.
Those that, for example, find the technical terms unfamiliar, the units of measure unknown and the concepts forbidding should not read this for any reason other than entertainment or as an incentive for seeking more knowledge related to this subject.
Dont assume that you can safely, successfully design a vacuum tube amplifier based on my stated opinions without first having some basic knowledge of the topic.

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