[USRP-users] LFTX Pk-Pk voltage

Marcus D. Leech mleech at ripnet.com
Wed Apr 29 09:58:19 EDT 2015


On 04/29/2015 09:51 AM, Nemanja Savic wrote:
> Hello and thank you Marcus (and other guys),
>
> I should have taken a look on schematic. My idea was to drive external 
> trigger of HAMEG programmable synthesizer, which accepts TTL level and 
> it looks like I will have to change that feedback resistors.
>
> Best
If you just want to produce a TTL-level trigger for something, there are 
the GPIO pins on the LFTX that you can use instead, unless you want to
   drive them at very high rates.


>
> On Tue, Apr 28, 2015 at 7:15 PM, <mleech at ripnet.com 
> <mailto:mleech at ripnet.com>> wrote:
>
>     In  my reply earlier, I said "ADC", when in fact I meant "DAC". 
>     The DAC still has a reference level, set by the DAC
>     hardware--thanks to Ian for politely and discretely pointing this
>     out :)
>
>     Which means that output levels will vary somewhat among different
>     USRP "host" devices.
>
>     On 2015-04-28 06:27, Nemanja Savic via USRP-users wrote:
>
>>     Hi all guys,
>>
>>     I wonder whether possible to drive LFTX output to more than 1V
>>     Pk-Pk, which is at the moment maximum that I can get.
>>
>>     Thanx,
>>
>>     -- 
>>     Nemanja Savić
>>
>>     _______________________________________________
>>     USRP-users mailing list
>>     USRP-users at lists.ettus.com  <mailto:USRP-users at lists.ettus.com>
>>     http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
>
>
>
> -- 
> Nemanja Savić

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