Based on a PLL 567, this circuit serves as a receiver for the CB9574E circuit. S tuning is done in R1 and it is used for frequency modulated signals.
The configuration shown in the figure uses two NPN transistors activating the load when the input...
It is a 13.8 V x 10 A regulator obtained in a 2008 documentation. The 2N3055 transistors must be...
This timer of 10, 25, 45 seconds and 5 minutes has its times selected by the keys. The circuit drives...