On Thu, Feb 21, 2008 at 4:32 PM, J.D. Bakker <jdb at lartmaker.nl> wrote: > >With a proper EQ (which would be easy with an all digital > >modulator/demodulator) > > In dedicated silicon or a larger FPGA, yes. In gates or discrete > hardware, not so much. Yes. mac->fpga->adc/dac->current amp. Solved. But making that inexpensive? ... :-/