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[email protected] February 12th 07 01:35 AM

software radio
 
Hello,

I am wondering what's the state of the art. There are fast and
accurate commercial ADCs
like the Linear LTC2208 (16-bit, 130 Msps) that can digitize shortwave
(not FM) signals directly.
Are there commercial software radios using such devices?

Thanks.

-Martin


TonyC February 13th 07 02:01 AM

software radio
 
For shortwave listening here's one:

http://radio.tentec.com/Amateur/Receivers/TT320

For "commercial" stuff here's one:

http://www.pentek.com/sftradcentral/SftRadCentral.cfm

Tony


wrote in message
ups.com...
Hello,

I am wondering what's the state of the art. There are fast and
accurate commercial ADCs
like the Linear LTC2208 (16-bit, 130 Msps) that can digitize shortwave
(not FM) signals directly.
Are there commercial software radios using such devices?

Thanks.

-Martin




--
Posted via a free Usenet account from http://www.teranews.com


craigm February 13th 07 02:38 AM

software radio
 
TonyC wrote:

For shortwave listening here's one:

http://radio.tentec.com/Amateur/Receivers/TT320

For "commercial" stuff here's one:

http://www.pentek.com/sftradcentral/SftRadCentral.cfm

Tony


wrote in message
ups.com...
Hello,

I am wondering what's the state of the art. There are fast and
accurate commercial ADCs
like the Linear LTC2208 (16-bit, 130 Msps) that can digitize shortwave
(not FM) signals directly.
Are there commercial software radios using such devices?

Thanks.

-Martin






The TT320 uses an audio ADC.

Ron Baker, Pluralitas! February 24th 07 05:21 AM

software radio
 

wrote in message
ups.com...
Hello,

I am wondering what's the state of the art. There are fast and
accurate commercial ADCs
like the Linear LTC2208 (16-bit, 130 Msps) that can digitize shortwave
(not FM) signals directly.
Are there commercial software radios using such devices?

Thanks.

-Martin


SDR technology only has leverage at the IF and after.
The ADC is just one component of a system.
A receiver is not based on an ADC.

--
rb





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