Undervoltage alarm (CB8480E)

This circuit sounds when the input voltage drops below the value determined by the zener. The circuit is from a 90s American documentation.

| Clique na imagem para ampliar |

12 W amplifier TDA2008 (CB15245E)
We found this circuit in the 1982 SGS Linear Integrated Circuits Manual. The circuit can be...
Tunnel diode oscillator (CB23691E)
This oscillator circuit is from a Radio Electronics magazine from September 1960. The frequency depends...
IQS360 and IQS360A ProxSense Touch and Proximity Controllers
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...