Alfred Rosenkränzer (57)

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| A high-quality sine wave signal at 1 kHz is essential for measurements on audio electronics. Digital equipment still does not quite come clo...

| If frequencies and/or times have to be recorded in complex measurement setups and the results have to be related to each other accurately an...

| If frequencies and/or times have to be recorded in complex measurement setups and the results have to be related to each other accurately an...

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| For a change, this circuit is not about avoiding distortion, but instead about intentionally generating distortion. It can be useful for che...

| The American company QuantAsylum offers a range of affordable semi-professional audio analyzer tools and instruments. We tried out the QA403...

| The detection of low-level signal distortions places great demands not only on the dynamic range and linearity of the measuring device, but...

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| Anyone who knows (or at least knows where to find) the formulae for designing analog filters will always be able to do the necessary calcula...

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| When measuring the key characteristics of an audio circuit, for some parameters it is very desirable to remove the test signal from the circ...

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| Professional-grade equipment for characterizing and developing audio equipment is usually beyond the means of a hobbyist lab. However, it is...

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| We recently put a neat thermal camera through its paces to test its usefulness in the lab. We found that this pocket-sized camera can quickl...