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An 8-bit, 100Msps ADC standalone pHAT

aka 0xA5EDED == sha1(pHATrick)

Description

An 8-bit, 125Msps ADC standalone pHAT

More? @TODO

What

Beware - these need to be updated with actual assembled board. v2 includes sees top going bottom and vice versa.

Acquisition of a square/sine wave

Signal coming out of a cheap DSO, should be around square, 4MHz

Acquisition

Spectrum of a square wave at 125Msps

Changes from v1

  • Remove i2c to something simpler - MCP40D17T
  • Let user choose offset or not
  • Check OPAMP capa to get a 60MHz cutoff
  • BAV / MD0100 to be removed
  • Putting the rp2040 under the board, to expose the beautiful art to users

License

This work is based a previous TAPR exploration, the pic0rick project - these open hardware and software, developped with open-source elements as much as possible.

Copyright Luc Jonveaux (kelu124@gmail.com) 2024

  • The hardware is licensed under TAPR Open Hardware License (www.tapr.org/OHL)
  • The software components are free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  • The documentation is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

Disclaimer

This project is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE.