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QUARTIQ Matrix Chat

Phaser gateware

This repository contains the gateware for the Phaser 4 channel 1 GS/s DAC arbitrary waveform generator.

Funded by Oxford, Oregon, MITLL, QUARTIQ.

This software is licenses under the GNU General Public License version 3 (GPL-3) or later.

Hardware

The hardware design repository is over at Sinara.

DSP designs

NBViewer link

  • filter: ideas and sketches for a 1/10 (samples per clock cycle) to 2/1 interpolator cascade, analysis of other interpolator approaches, comparison of CIC/HBF/FIR, CIC droop compensation filter
  • cic: ideas for CIC implementations and tests of interpolation modes

Getting started

Loading bitstreams

Precompiled bitstreams are available under releases.

With vivado and a vivado-compatible JTAG dongle, to load (volatile) a bitstream onto the FPGA, use:

vivado -mode batch -source load.tcl -tclargs build/phaser.bit

To flash it, use:

vivado -mode batch -source flash.tcl -tclargs build/phaser.bit

With openocd and a JTAG dongle that fits the connector and has openocd support it should also be possible to load and flash using the xc7a support and the jtagspi proxy bitstreams.