Redpitaya RF output power

Tell us how your experiment is running with Red Pitaya
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ct7ahv
Posts: 7
Joined: Thu Sep 13, 2018 6:30 am

Redpitaya RF output power

Post by ct7ahv » Thu Oct 24, 2019 4:42 am

Hello people,
I'm designing a power amplifier to use with my 125-14, and use it as a remote SDR for ham radio.
I need to know the output power of the OUT 1 and OUT 2, for design the PA's driver.
Anyone has this information? Where I can get it?

Thanks in advance,
Best Regards

Pedro

DH1KLM
Posts: 8
Joined: Mon Mar 28, 2016 7:36 pm

Re: Redpitaya RF output power

Post by DH1KLM » Sat Oct 26, 2019 8:13 am

Hi,
you can expect a power level of 10mW (+ 10dBm). According to the technical data, it is ± 1V into a 50Ω load.
My measurements yielded between 6 and 10mW.

73 de Sigi / DH1KLM

ct7ahv
Posts: 7
Joined: Thu Sep 13, 2018 6:30 am

Re: Redpitaya RF output power

Post by ct7ahv » Mon Nov 04, 2019 10:49 am

Hello Sigi!
Thank you very much for your reply, appreciated it!
First I will add a 3dB attenuator to the PA and see how it works, then I can remove it...

Best 73’s!
Pedro
CT7AHV/C91AHV

ct7ahv
Posts: 7
Joined: Thu Sep 13, 2018 6:30 am

Re: Redpitaya RF output power

Post by ct7ahv » Mon Nov 04, 2019 10:58 am

Hello Sigi!
Thank you very much for your reply, appreciated it!
First I will add a 3dB attenuator to the PA and see how it works, then I can remove it...

Best 73’s!
Pedro
CT7AHV/C91AHV

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