[Hackrf-dev] Mixer Conversion Loss

[Michael Ossmann]

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