| This article covers an extended, symmetrical version of an adjustable DC load. The design is suitable, for example, for testing the typicall...
All items tagged with Circuits & Circuit Design and Audio (62)
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| What if a palm-sized amplifier could outperform larger, more expensive modules while delivering serious sound quality? This compact, low-cos...
| Discover how the classic 555 timer IC can be transformed into a compact Class-D stereo audio amp using its built-in oscillator and modulatio...
| Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro mic...
| Make your analog breadboard experiments instantly audible with Elektor’s first analog T-board, featuring a compact class-D amplifier, DC/DC...
| Waveform Visualizer is a wall-mounted LED display that turns background noise into a clean, oscilloscope-style waveform. Built around a Rasp...
| Schaub-Lorenz Stereo 6000 is a reminder that “DIY audio” once meant serious mechanics, alignment, and proper bench work — not just wiring up...
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| This versatile project provides flexible and dynamic signal distortion as a sound effect for synthesizers and guitars. A chain of saturating...
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| In audio circuits, virtual grounds offer an innovative alternative to switching signal lines. Instead of routing signals through a switch, t...
| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...