[USRP-users] Reducing Radiation From USRP B210 board
marcus.mueller at ettus.com
Mon Jul 6 12:43:40 EDT 2015
20m seems like you have a very sensitive receiver.
Are you sure that this is not intermodulation caused by driving the TX
amplifier with high gain and high values?
Make sure that the magnitude of your TX signal is always < 1; ideally,
try multiplying with 0.6. If that doesn't help, try reducing the TX
gain. Does that reduce the spurious emissions?
If you're sure that the 900MHz emissions really come from the board and
are not radiated as a side product of your antenna, then try using a
On 07/04/2015 05:17 PM, Ahmed Sallam via USRP-users wrote:
> USRP Users,
> I have a B210 and B200 and i have noticed that the amount of power radiated out of the board in my application is significant compared to the antenna which i put 20 meters away.
> Is there a way to minimize the radiated power out of the board.
> I am Transmitting a PN sequence with the same clock rate of the board on the 900 MHz band. TX Gain setting is around 75.
> Sent from my iPhone
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