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The F-word - or, why there is no such thing as too much feedback
Feedback is at once a basic subject in engineering and a remarkably polarizing one in audio with some saying it is evil and others saying that there is nothing wrong...
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The Class i output stage
In this article, Kendall presents a solid state unity-gain power output stage that has very low distortion and for which the biasing current can be set without the...
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A Mechatronic approach to Active Subwoofer Design
Professor Robert Munnig Schmidt teaches Mechatronics at one of Netherlands prestigious universities, but his hobby is in audio. Since a (sub)woofer is nothing else...
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Towards advanced audio power amplifiers
In his Guest Editorial, David Zan argues that almost all power amplifier designs have gyrated to a few standard design topologies. However, he believes that...
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TPC and TMC Feedback Compensation for Power Amplifiers
Bob Cordell explored power amp compensation techniques that allow the designer to employ more feedback loop gain at higher frequencies, improving amplifier linearity...
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Fine-tuning and measurements of a sensorless motional feedback subwoofer
In his earlier article, Robert Munnig Schmidt described a subwoofer system with an electronic solution to adapt and control the subwoofer mechanical-dynamic behaviour...
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Experimental Design in Simulation - A Sine/Cosine Oscillator (Part 1: basic theory)
When Barrie Gilbert turns his mind to an area of design, expect the unexpected. In this first article in a series of several, Barrie starts the design of a...
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Recent investigations and developments related to feedback and feed-forward error correction (Part 1)
Recent investigations and developments related to feedback and feed-forward error correction (Part 1) Vol 7 Giovanni Stochino Error Correction always has held the...
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Towards Advanced Audio Power Amplifiers - on feedback, stability and minimum-phase (Part 1)
David Zan David Zan makes good on his promise in the previous issue's Guest Editorial. The ultimate goal of his article series starts is to find a systematic...
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Multiplied Transconductance Amplifiers - part 2 - high power amplification
Multiplied Transconductance Amplifiers – part 2: high power amplification Vol 8
Frank Blöhbaum
Frank Blöhbaum always comes up with quite...
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