Alfred Rosenkränzer (58)

1-08-2024 | The first article in this series presented a simple passive attenuator whose stages can be set using a jumper. Such a solution is well-suite...

1-07-2024 | A high-quality sine wave signal at 1 kHz is essential for measurements on audio electronics. Digital equipment still does not quite come clo...

13-05-2024 | 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...

1-05-2024 | 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...

1-08-2023 | For a change, this circuit is not about avoiding distortion, but instead about intentionally generating distortion. It can be useful for che...

25-07-2023 | The American company QuantAsylum offers a range of affordable semi-professional audio analyzer tools and instruments. We tried out the QA403...

1-05-2023 | The detection of low-level signal distortions places great demands not only on the dynamic range and linearity of the measuring device, but...

1-11-2022 | 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...

1-09-2022 | When measuring the key characteristics of an audio circuit, for some parameters it is very desirable to remove the test signal from the circ...

1-07-2022 | Professional-grade equipment for characterizing and developing audio equipment is usually beyond the means of a hobbyist lab. However, it is...