Re: [Discuss-gnuradio] USRP2 backward compatibility questions

[Matt Ettus]

Chris Stankevitz wrote:
> 1. Does the USRP2 support the BasicRX daughterboard?
> 2. Does the USRP2 support the DBSRX daughterboard?
>   

From the FAQ, ALL daughterboards work on both the USRP1 and USRP2.


> 3. Does gnuradio-3.1.3 work with USRP2?
>   

No, you'll need to use the newest SVN code.


> 4. Does the USRP2 work with the usrp_standard_rx interface (in
> libusrp.so provided by gnuradio-3.1.3)
>   

Look at usrp2_fft.py to see how we talk to the USRP2.

> 5. My application requires the USRP to use the external clock provided
> by my front end.  It runs at 64 MHz.  Will the USRP2 accept this 64 MHz
> clock?  (I'm guessing not since it appears the USRP2 runs at a different
> frequency).  I can provide a sine or square wave clock.
>
>   

The USRP2 won't RUN at 64 MHz, but you can phase lock to 64 MHz.

> I have an application that uses the BasicRX or the DBSRx.  The only
> component of gnuradio I use is the usrp_standard_rx interface provided
> by gnuradio-3.1.3.  I am researching the amount of work I will need to
> do to use the USRP2.  I am interested in USRP2 because it transmits data
> over ethernet which has longer range than USB2

You can pipe samples out of a receive app pretty easily.

Matt