[sdiy] Re: FPGA 2-OP FM MIDI Polysynth

[Aaron Lanterman]

On May 4, 2009, at 2:00 AM, Ullrich Peter wrote:

> In the 80s it was not that simple for DSP arithmetics... The DX7  
> prototype has been built out of thousands of discrete logic circuits.
> See photo on http://www.soundofmusic.se/synthsandmore/dx7.htm
>
> For the DX7 all these circuits have been implemented in a few ASICs...

The Synergy's digital oscillator board has about 120 standard TTL  
logic chips on it. It's a sight to behold...

...of course, when the DX7 came in with its ASICs at a much cheaper  
price point the Synergy didn't stand a chance.

- Aaron