https://devzone.nordicsemi.com/f/nordic-q-a/34096/nrf24l01-carrier-waveHi, I can&#39;t find information what shape of spectrum I should expect from test mode (CONT_WAVE = 1, PLL_LOCK = 1). At the moment I get main spike with smaller symmetrical spikes -20dB and about +/1 kHz from main carrier. I need somehow to remove theseen-USTelligent Community 13Wed, 09 May 2018 13:36:25 GMThttps://devzone.nordicsemi.com/thread/131541?ContentTypeID=1Wed, 09 May 2018 13:36:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:12c42559-5e9b-4c97-b1f6-1ce500a73ddcketiljo<p>It could be noise on the power supply. Try using another power supply and see of the spurious level changes.&nbsp;</p> <p>If you have gotten the chip from one of our distributors, it will be genuine. Modules from ebay, Aliexpress etc, often have counterfeit chips.&nbsp;</p><div style="clear:both;"></div>