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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/)

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.