[Hackrf-dev] Mixer Conversion Loss

[Vitor Augusto]

Vitor, maybe you find help for your specific unit here

http://greatscottgadgets.com/hackrf/


On Wed, Dec 3, 2014 at 2:40 PM, Vitor Augusto <vitorafsr at gmail.com> wrote:
> Is this possible that poor reception in some frequencies may be
> because of uncalibration?
>
> Is this possible to compensate uncalibration by correct adjusting
> values with parameters -l -g and -x, or just with calibration at
> firmware.
>
> On Wed, Dec 3, 2014 at 2:23 PM, Michael Ossmann <mike at ossmann.com> wrote:
>> On Wed, Dec 03, 2014 at 10:05:55AM +0900, OSQZSS wrote:
>>>
>>> Is the absolute maximum TX power achieved with the maximum
>>> TX VGA (47dB) and TX RF amplifier (14dB)? If I set the TX VGA
>>> to zero and disable the RF amplifier, can I expect -61dB TX power
>>> from these maximum values?
>>
>> Yes, but it also depends on the content of the digital signal being
>> transmitted.  I measure absolute max TX power by transmitting a constant
>> carrier (I=max and Q=max).
>>
>> Mike
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>
>
>
> --
> http://iffmodos.blogspot.com.br/



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