Winradio G303 External HF Receiver now available
 

http://www.winradio.com/home/g303e.htm

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Pictures of the g303e have been on the Swedish Winradio site for a couple
weeks, but g303e information didn't appear on the main Winradio site until a
week ago.

What I find interesting is the Serial Interface option. The USB
specification makes the most sense for interfacing with modern computers,
but evidently Winradio is also targeting those with older laptops or PCs.
I'm surprised that a regular serial port could handle all the DSP data that
goes back and forth for demodulation, filtering, etc. Perhaps the Serial
Interface is for control of something else, not basic I/O and operation.
The system requirement *does* say that "one free USB port" is needed, not "a
USB port or a serial port".

I like the looks of the g303e's external case, obviously designed for
stacking multiple units.

Guy Atkins
Puyallup, WA USA

On Wed, 13 Oct 2004 16:54:36 GMT, "4nradio" wrote:

What I find interesting is the Serial Interface option. The USB
specification makes the most sense for interfacing with modern computers,
but evidently Winradio is also targeting those with older laptops or PCs.
I'm surprised that a regular serial port could handle all the DSP data that
goes back and forth for demodulation, filtering, etc. Perhaps the Serial
Interface is for control of something else, not basic I/O and operation.
The system requirement *does* say that "one free USB port" is needed, not "a
USB port or a serial port".

According to someone posting on the WinRadio Yahoo group, if you use the serial
port to connect to the computer you have to use your sound card to digitize the
IF output from the radio. He doesn't say where he got his information. I note,
however, that in the pictures on Winradio's site the radio appears to have a
DB-9 connector and no USB connector and a cable with a DB-9 on one end and a USB
plug on the other.

I think the photo of the g303e is showing three ports close together: USB,
Serial, and IF-OUT. Look closely at the published photo and you'll see what
I mean.

The cable is odd, though. USBDB9 ?? That's curious.

I'm pretty sure that a sound card is required for the DSP in any case, as
it's the g313 model that incorporates its own DSP capability. The system
requirements for the g303e include "Sound Blaster 16 (or compatible sound
card)".

Guy



"Jim Shaffer, Jr." wrote in message
...
On Wed, 13 Oct 2004 16:54:36 GMT, "4nradio"
wrote:

What I find interesting is the Serial Interface option. The USB
specification makes the most sense for interfacing with modern computers,
but evidently Winradio is also targeting those with older laptops or PCs.
I'm surprised that a regular serial port could handle all the DSP data
that
goes back and forth for demodulation, filtering, etc. Perhaps the Serial
Interface is for control of something else, not basic I/O and operation.
The system requirement *does* say that "one free USB port" is needed, not
"a
USB port or a serial port".

According to someone posting on the WinRadio Yahoo group, if you use the
serial
port to connect to the computer you have to use your sound card to
digitize the
IF output from the radio. He doesn't say where he got his information. I
note,
however, that in the pictures on Winradio's site the radio appears to have
a
DB-9 connector and no USB connector and a cable with a DB-9 on one end and
a USB
plug on the other.