The motherboard of the echomods

What does it look like?

Information

What is it supposed to do?

The aim is to summarize all modules in a all-inclusive board. Fast ADC, good load of memory, good SNR.. the not-so-DIY module, as it comes already assembled with nothing to do =)

How does it work: block diagram

Block schema

  • ice40->SPI->Data Out
  • ice40->PulserControl->Pulser->Transducer
  • Transducer->Clipping->Time Gain Compensator->64Msps, 10-bit ADC->ice40
  • ice40->Time Gain Compensator
  • ice40->motor control->feedback->ice40
  • Settings control->SPI->ice40

About the module

Pros

  • All inclusive!
  • Cost effective

Cons

  • v1.0 has still some issues

Constraint and limits

v1.0: Initial design

Getting images from a retroATL3 probe.

(see the readme )

Setup

Results

Fooling around

Extracting spectrum analysis of this line

Playing with the gain setting

Controling the pulser works!

Reaching n2 rank on HackerNews

On may 1st =)

Discussions

TODO

DONE

  • Getting some signals!

People

  • Kelu124

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