Re: [Discuss-gnuradio] 3 New Products from Ettus Research

[Matt Ettus]

On 02/15/2011 09:32 AM, Juha Vierinen wrote:
>> 2)   TVRX2 Daughterboard
>>
>> The TVRX2 daughterboard replaces the original TVRX.  It is a dual
>> receiver covering 50 MHz to 860 MHz.  There are 2 entirely separate
>> receivers which can be used simultaneously, either on the same or
>> different frequencies, each with a bandwidth  of up to 9 MHz (thus
>> allowing use with DVB-T).  The TVRX2 is also MIMO capable, since
>> its clock is synchronized with the master system clock.  It is
>> fully supported by the UHD, but not the older drivers, and will
>> work with all of our motherboards.
>>
>> To summarize, the differences between the TVRX2 and original TVRX:
>>
>> - TVRX2 has dual receivers
>> - TVRX2 is MIMO capable
>> - TVRX2 covers a wider bandwidth (9 MHz vs 6 MHz)
>> - TVRX2 is smaller and has plain SMA connectors
>>
>> The TVRX2 costs $200 and will ship at the beginning of April.
> 
> I have been waiting for this board! How are the two channels mapped to
> the USRP2-series devices? Are there two DDCs or do you get two
> channels using one DDC?

2 separate DDCs.  We are adding the 2nd DSP chain into the FPGA right now.

Matt