But would you not need to use an FPGA anyway for experimentation and prototyping? If you want something more physical, fast and small you need a spot at an actu

But would you not need to use an FPGA anyway for experimentation and prototyping? If you want something more physical, fast and small you need a spot at an actual fab. There is no other alternative. You might also want to take a look at the "Minimal Fab" technology. I found out about it a year or so ago and it looked really interesting!