Re: [Xylo-SDR] Firewire, DSP and FPGA on one module

["Leon Heller" <leon.heller@bulldoghome.com>]

----- Original Message ----- 
From: "S. Cash Olsen" <KD5SSJ@zianet.com>
To: "'Xylo-SDR Discussion'" <xylo-sdr@lists.ae5k.us>
Sent: Sunday, December 18, 2005 4:20 PM
Subject: Re: [Xylo-SDR] Firewire, DSP and FPGA on one module


> Robert,
>
> I may have read a lot into the project that I wanted to see but I
> thought one of the reasons for the efforts were to replace the desktop /
> laptop. This thought may apply to the disscussion of the USB 1 or 2.0,
> it is a link to the desktop / laptop and we know that can be done, but
> in order to have a SDR free from the big computer we need hardware that
> is fieldable and relatively low power.

One option is a DAC for audio output. It can even be implemented on the FPGA 
as Ray Andraka did with an FM radio he implemented on a Xilinx FPGA. He used 
a 1-bit sigma-delta DAC, so the whole radio consisted of an ADC and FPGA.

Leon 

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