Opto control for triac (CB20552E)

Found a documentation for PC from 1992, this circuit is indicated for the English power grid of 240 V.

NCP1602 Power Factor Controller (COM048E)
August 2016 - It can be obtained from Mouser Electronics the power factor controller NCP1602 from...
3-IC AD converter (CB9028E)
Found in American documentation from the 70s, this circuit uses components of the time, uncommon...
R21 SMART Based Microcontrollers ARM - Microchip
September 2017 - Microchip is making available through Mouser Electronics the ARM Cortex® M +...