[USRP-users] Bandpass filter for DBS-RX2

Venkatesh Sandilya vsandilya at gmail.com
Tue Apr 7 15:09:06 EDT 2015


Thanks much. Appreciate it.
On Apr 7, 2015 12:08 PM, <mleech at ripnet.com> wrote:

>  The MAX2112 chip implements a variable baseband filter on the I/Q analog
> outputs going to the ADCs on whatever motherboard
>  you're using.
>
> You can use set_rx_bandwidtth() to set these explicitly, but by default
> they're set to values that are appropriate for the sample-rate in use.
>
> However, if you're having, for example, non-linearity (intermod, etc)
> problems at the *RF* level, then you'll need to place an
> application-specific filter in front of the DBSRX2, this very often won't
> be required, but if there are signals of significant magnitude outside your
> RF passband, you may need additional filtering up front.
>
>
>
>
> On 2015-04-07 11:39, Venkatesh Sandilya wrote:
>
> A filter at RF. I have the schematics for DBS-RX2. Can you tell me where
> it implements analog baseband filtering? Thanks.
> On Apr 7, 2015 11:29 AM, <mleech at ripnet.com> wrote:
>
>>  Do you mean a filter at RF, or baseband?
>>
>> It already implements analog baseband filtering, with selectable
>> bandwidths.
>>
>>
>>
>>
>>
>>
>> On 2015-04-07 11:18, Venkatesh Sandilya via USRP-users wrote:
>>
>> Hello
>>
>> Is there anyway to implement a bandpass filter for the DBS-RX2 daughter
>> board. Is there already a default setting in the UHD api for it? Thanks
>> much.
>>
>> Venkatesh
>>
>> _______________________________________________
>> USRP-users mailing listUSRP-users at lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>>
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