This detector with ultra-low deviation was found in an American documentation from the 90s. Operational amplifiers are from that time. The power supply must be symmetrical.
We found this simple gain-50 current sensing circuit in a 2005 Linear Technology publication. The circuit...
The maximum time of this timer depends on the capacitor next to the adjustment pot. With 2,200 uF the...
This circuit with the TDA3410 was found in the SGS manual from 1982. The circuit was used in car...