Improved Steiner VCF

Maker	CATs Eurosynth
Type	Steiner Parker style multimode filter with low, high, band and notch responses
Mounting	SMD
Width	8 HP
License	Proprietary (Hardware CC BY-NC-SA 4.0, noncommercial so not an open licence)
Difficulty	🔥 SMD (0805)

Clone of YuSynth Improved Steiner VCF v2. 0805 passives. Adapted to plus and minus 12V from the original design.

Documentation

• Bill of materials (BOM)
• Schematic
• Fabrication files (PCBA-ready)

Links

• Source / files on GitHub
• Maker page

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This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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