Re: ARLA/CLUSTER: SDR barato baseado numa placa DVB-T (já receberam TETRA e GMR com ela!!!)

[Pedro Ribeiro - CR7ABP]

Já mandei vir um, por pouco mais de 15eur do "dealextreme" ... vamos 
esperar que o software em volta dela venha a tirar pleno partido das 
potencialidades.

73!

On 20-03-2012 16:29, Pedro Ribeiro - CR7ABP wrote:
>
>
>   rtl-sdr
>
> DVB-T sticks based on the Realtek RTL2832U can be used as a cheap SDR, 
> since the chip allows transferring the raw I/Q samples to the host, 
> which is officially used for DAB/DAB+/FM demodulation. The possibility 
> of this has been discovered by the V4L/DVB kernel developer Antti 
> Palosaari 
> <http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/44461/focus=44461>. 
>
>
>
>     Specifications
>
> The RTL2832U outputs 8-bit I/Q-samples, and the highest theoretically 
> possible sample-rate is 3.2 MS/s, however, the highest sample-rate 
> without lost samples that has been tested so far is *2.8 MS/s*. The 
> frequency range is highly dependent of the used tuner, sticks that use 
> the Elonics E4000 offer the best range (64 - 1700 MHz).
>
>
>     Supported Hardware
>
> So far, the following devices are supported:
>
>   * ezcap EzTV668 USB 2.0 DVB-T/DAB/FM stick (Elonics E4000 tuner)
>     (sources: AliExpress
>     <http://www.aliexpress.com/product-gs/486876635-DVB-T-Digital-TV-USB-Dongle-Stick-With-FM-DAB-DAB--wholesalers.html>,
>     Dealextreme
>     <https://www.dealextreme.com/p/dvb-t-digital-tv-usb-dongle-stick-with-fm-dab-dab-44326>)
>
>   * Terratec NOXON DAB/DAB+ USB-Stick (Fitipower FC0013 tuner)
>
>
> Detalhes em: http://sdr.osmocom.org/trac/wiki/rtl-sdr
> -- 
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> QRA: Pedro Ribeiro // Callsign: CR7ABP // GRID Locator: IM58mr
> QTH: São Francisco, Alcochete, Portugal
> Homepage:http://www.qrz.com/db/CR7ABP
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
>
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-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
QRA: Pedro Ribeiro // Callsign: CR7ABP // GRID Locator: IM58mr
QTH: São Francisco, Alcochete, Portugal
Homepage: http://www.qrz.com/db/CR7ABP
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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