Have you searched for them on the NXP web site? I found the RF ones here: https://www.nxp.com/products/rf/rf-power-application-notes/rf-power-applica… 73 de Nigel ve3id On 07/01/2020 18:14, Evan Linwood via cctalk wrote: -- Nigel Johnson MSc., MIEEE VE3ID/G4AJQ/VA3MCU Amateur Radio, the origin of the open-source concept! You can reach me by voice on Skype: TILBURY2591 If time travel ever will be possible, it already is. Ask me again yesterday This e-mail is not and cannot, by its nature, be confidential. En route from me to you, it will pass across the public Internet, easily readable by any number of system administrators along the way. Nigel Johnson <nw.johnson at ieee.org> Please consider the environment when deciding if you really need to print this message