Re: [Discuss-gnuradio] Low cost SDR hardware

[Andrew Davis]

Hello,

For just teaching even a speaker and microphone work well to add real world effects like AWGN, echos, delays, and Doppler effects on communication channels. Does everyone need a transmitter? Over here we have just one USRP and a whole lot of RTLSDR's so everyone can practice receiving and demodulating real signals from outside sources and when needed signals generated in lab.

Andrew

On Tue, Jul 30, 2013 at 8:42 AM, Brian Padalino <address@hidden> wrote:

Hi Manu,

What is your output power requirement?  Frequency coverage?  Do you have a target price?  Do you have LO phase coherency requirements?

Support for nuand's bladeRF was just recently pushed to gr-osmosdr for both GNU Radio 3.6 and 3.7.  The output power is 6dBm CW, so with some backoff for linearity and PAPR on your transmission signal, you're probably at -6dBm or so for transmission.  Harmonic filtering is required if you plan to hook it up to an antenna.  The frequency coverage is from 300MHz - 3.8GHz and costs $420/board.

More information can be found here:

  http://nuand.com

Feel free to e-mail me directly off list if you'd like to discuss more.

Brian

Full disclosure: I'm involved with nuand and bladeRF.

On Tue, Jul 30, 2013 at 12:25 AM, Manu T S <address@hidden> wrote:

Hello everyone,

A professor in my university wants to revive lab course on communication. He wants to introduce some experiments involving SDR. For that we need about 100 pieces of hardware( both receiver and transmitter). Buying 100 USRP is not a viable solution for us. We can go for RTL SDR but it has only transmitter. Does anyone know of a good solution for low cost hardware, (transmitter + receiver or just transmitter) preferably GNU Radio compatible, that we could opt for?

--
Manu T S

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