Lots of old Analog Devices app notes are masterpieces of concise technical writing. Also, their 'Analog Dialog' series [0] are quite something. Edit: HP, too,

Lots of old Analog Devices app notes are masterpieces of concise technical writing. Also, their 'Analog Dialog' series [0] are quite something. Edit: HP, too, made some excellent tech notes back in the day. [0] https://web.ece.ucsb.edu/~ilan/Classes/ECE2A_F2010/Tutorials/App%20notes/Analog%20Dialog.pdf https://web.ece.ucsb.edu/~ilan/Classes/ECE2A_F2010/Tutorials...