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freedsp_catamaran_ab

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freedsp/freedsp-catamaran-ab

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Files for version 1. Choose the source project or an available generated package.

Source package

Original hardware design source archive

Original KiCad project zip858 KB

Fabrication package

Gerbers and drill, pick-and-place, DRC report, and the 3D model

Gerbers and drill zip540 KBGerbers and drill zip: BalancedDriverBoard287 KBGerbers and drill zip: BalancedDriverBoard_PreRoute236 KBGerbers and drill zip: FreeDSP_Catamaran.kicad_PreRoute20220115_pcb415 KBPick and place (CSV)18 KB

Review package

Schematics, PCB views, BOM, and extracted files

PCB SVG2.6 MBPCB SVG: BalancedDriverBoard1.5 MBPCB SVG: BalancedDriverBoard_PreRoute1.3 MBPCB SVG: FreeDSP_Catamaran.kicad_PreRoute20220115_pcb2.2 MBBoard render492 KB

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README

FreeDSP_Catamaran_AB

A dual mono construction Concept Differential ADC 1 in 4 out ADAU1701 board. Extreme High performance (ADC to DAC Overall Distortion 0.00087%) differential A/D Conversion, differential RCA-pin Outputs, fs=96kHz, 8 slots TDM-Interlink across the boards.

Features:

  • 1in 4 out RCA jacks on each PCB (2 boards requires for stereo use)
  • High-performance differential monaural ADAU1701 ADC circuit
  • GND lift-able Differntial RCA-pin Input curcuit
  • GND lift-able Differential RCA-pin Output circuit
  • Mains Power Switch
  • Power-ON/OFF/Reboot Anti-Pop Audio Mute
  • LED Power Indicator
  • MP1/MP7 controlled LED Indicators
  • A/B Program Select switch with Auto-Reboot feature
  • Selectable DSP reboot Dual-EEPROMs
  • Rotary Pots for AUXADC 0-3
  • interlink header for AUXADC control voltage 0-3 and Reset
  • Common-mode Choke filtered Power Supply Input
  • 0805(2.0mm x 1.25mm) SMD Resistors & Capacitors
  • Prepare for the through-hole Ele-Caps on the Audio Path
  • Unity Gain Analog Audio Input and Output (2V RMS)
  • Absolute Phase transparent. (No need to invert Output Phase)
  • Buffered TDM Interlink I/O Header (with Enable control)
  • JST-EH Connectors for Optional XLR output driver board.

PCBA file package included in JLPCB_OrderFiles. You can order SMT and Boards. (https://jlcpcb.com/)

A Wiki Page(https://github.com/freeDSP/FreeDSP_Catamaran_AB/wiki) of this project

Discussion forum thread (https://www.diyaudio.com/community/threads/freedsp-catamaran-a-b.381417/)

Project web page: (Direct Link) https://cyberpithilo.web.fc2.com/audio/freedsp/index.html

Project web page: (Yandex Machine Translation) https://translate.yandex.com/translate?url=https%3A%2F%2Fcyberpithilo.web.fc2.com%2Faudio%2Ffreedsp%2Fcatamaran_main.html&lang=ja-en

Project web page: (Google Machine Translation) https://cyberpithilo-web-fc2-com.translate.goog/audio/freedsp/catamaran_main.html?_x_tr_sl=ja&_x_tr_tl=en&_x_tr_hl=ja

License

This work and all other materials under https://github.com/freeDSP are licensed under a Creative Commons Attribution Share-Alike 4.0 license. This allows for both personal and commercial derivative works, as long as they credit freeDSP and release their designs under the same license.

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