| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...
All items tagged with Audio and Test & Measurement (19)
| Check out the latest installment of Elektor Lab Notes. We cover some of the newest projects on our workbenches, including upcoming articles,...
| Watch this new episode and learn about clever circuits, engineering techniques, and design hacks. We dive into 3D printing to RF, with hands...
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| Last year, we published a high-quality, variable-frequency audio notch filter. To complete a typical test lab setup for measuring audio equi...
| How are cutting-edge electronics — from powerful power supplies to sophisticated embedded systems in audio amplifiers — designed and enginee...
| Whether you are designing, repairing, or testing audio and hi-fi gear, a reliable frequency counter is a must-have tool. This classic freque...
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| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...
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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...
| This project guides you through building a DIY speaker resonance tester, ideal for detecting resonance peaks in loudspeakers using a simple...
| directly measure the resonance of a loudspeaker