AUDIOXPRESS 2010 PDF

All items tagged with audioXpress archive From the introduction of Class-D amplification to the unique company philosophy, Yaniger discusses how Powersoft Audio strived to define the technological edge of its markets rather than follow trends. This article was originally published in audioXpress, August Read more February 7, by Paul J.

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All items tagged with audioXpress archive From the introduction of Class-D amplification to the unique company philosophy, Yaniger discusses how Powersoft Audio strived to define the technological edge of its markets rather than follow trends.

This article was originally published in audioXpress, August Read more February 7, by Paul J. Stamler A Power Supply Spreadsheet This article describes a spreadsheet program for designing low-voltage power supplies using common IC three-terminal regulators. The spreadsheets are in standard Excel format, and should work in just about any spreadsheet program. Each file has two main pages: one for use with common variable-output regulator chips, the other for fixed-output devices.

This article was published in audioXpress, March The Audio Voice Newsletter. December 13, by Gregory L. Charvat, two pre-amplifiers are used with a battery powered high voltage supply. The high voltage supply works by creating a square wave with a timer. The square wave is fed into a small audio power op-amp. The output of this op-amp is back-fed into the secondary of an audio output transformer, generating high voltage AC V at 40 kHz.

This signal is rectified, filtered, and regulated in a conventional sense. The entire system runs on 8 AA batteries and should operate for approximately 4 hours continuously. This article was originally published in audioXpress, March This article was originally published in audioXpress, April This is not surprising.

The Mighty Mouse is indeed a good sounding and inexpensive project that is also a good introduction to tube amplification. A pot with 64 levels and precision metal film resistors that is hard to beat for sound or facility, as he describes it.

The project started with a clean sheet, looking to address potentiometer design with a quality that rivaled existing designs while maintaining a reasonable cost. This article was originally published in audioXpress, September Ron Tipton was deeply impressed with this amplifier project which used only five transistors per channel, two of them being current sources.

This article was originally published in the old audioXpress website as a PDF, but was never reposted. Now we make available online with updated references and links.

March 14, by Richard K. Mains Correcting Driver Phase with Digital All-Pass Networks This article shows that in the digital domain, you can implement phase corrections in a very straightforward way, although there is still an approximation involved.

My focus here is on compensating for phase nonlinearities in the driver. This article illustrates the problem for the midrange driver in a three-way system, which will be crossed over to a woofer on the low end and a tweeter on the high-end. This article was originally published in audioXpress, January That's what you normally get with a quality design, but to achieve it, the author shares the complete concept, power requirements, circuit topology, construction and testing of this single-ended amp I measured the response and it was not especially flat.

This convinced me to update the drivers. This article was originally published in audioXpress, June

BIBLIA ILUSTRATA PENTRU COPII PDF

R&D Stories: Future Shock. Powersoft Audio’s Amplifier Technologies

You need to have Adobe's free Acrobat Reader installed on your computer to view these files. These ICs are convenient and easy to use, and generally include the input-stage feedback resistors plus an output differential amplifier. While convenient, these included elements reduce the preamps' flexibility and restrict performance in some areas compared with that obtainable from discrete designs. In this seminar, we present a new-generation of analog IC microphone preamplifiers that offer more flexibility and higher performance through selective omission of internal items.

DERECHO DE LA COMUNICACION EMILIO GUICHOT PDF

audioxpress 2010 01

From the introduction of Class-D amplification to the unique company philosophy, Yaniger discusses how Powersoft Audio strived to define the technological edge of its markets rather than follow trends. This article was originally published in audioXpress, August Read more Focus: tag -combinations for audioXpress Archive. Connected tags.

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