Edoardo kinmami
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Description
ATARI ST STe MV16 PLUS Audio Card Sound Cartridge NEW Enhanced
Original Concept by:
Hervé Lange, Olivier Cordoléani (BAT, Ubisoft 1989)
Reinvented by:
Edoardo Auteri (Japan 2023)
BOM list, Centroid files, Schematic, Assembly drawings are provided.
Compatible with:
- B.A.T.
- B.A.T. II
- Music Master
- Some MOD-Players
- Audio Sculpture
- Digi Composer
- TCB tracker
- Noisetracker 1.5
Main Characteristics:
- 12 bit (8 bits x 16 voices/channels) DAC converter with mono LM386 and a new 9.07kHz LPF (audio range up to ~18kHz).
- It uses the address bus to send the 12 bit sample for conversion.
- Address lines A1-A12 offsetted by the cartridge into available memory space.
- Optimized BOM and PCB size: 42x67mm, 2 Layers,Thickness:1.6mm
- Higher noise immunity (ferrite beads and decoupling caps at the power rails, narrow routing and solid ground planes).
- Improved PSSR for noisy 5V line from the Atari (to avoid noise due to the mechanical floppy disk drive activity or old internal PSU).
- Use of resistor networks at ±0.30% (including tolerance and matching ratio) for the best DAC linearity.
- Thumbwheel controls for adjusting GAIN (from 1X to 10X) and BASS BOOST (more intense) + manual ON/OFF shunt jumpers.
- Zobel network to prevent HF oscillations and instability.
- Anti-Hiss function (optional) that attenuates the unwanted noise in a desired quiet region using an adaptive filter (usually when selecting high gain at low input signal).
- Filter for the radio interference picked up by the audio input connection.
Schematic and Layout
May 31,2023
1,743 views
ATARI ST STe MV16 PLUS Audio Card Sound Cartridge NEW Enhanced
Enhanced version with better filtering and thumbwheel controls.
Original Concept by: Hervé Lange, Olivier Cordoléani (BAT, Ubisoft 1989)
1743
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Published: May 31,2023
BOM(Bill of materials)
Centroid file
Other files for Assembly
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