15V Negative Regulator (CB5465E)

This circuit is from an old documentation. Integrated circuit 723 is not common today. The power transistor shall be fitted with a heat sink.

9 to 5 V Converter (CB4822E)
Based on a Linear Technology integrated circuit not currently easy to obtain this circuit converts the d...
Si705x A10 I2C Temperature Sensors
August 2017 - Mouser Electronics is already stocked with Silicon Labs' I2C Si705x A10 interface...
Touch Switch (CB1352E)
This circuit was obtained in an old documentation and is characterized by the high sensitivity...