Found elsewhere in this section, but from other sources, this circuit is from Motorola documentation. The circuit uses a triac of the time and a tripping transformer. The circuit is for 110 V network.
This circuit provides signals in phase with the input and with the phase inverted. The circuit was...
This is one of the many applications of the 555. We found it in the November 1992 Radio...
The circuit presented was found in a Japanese magazine in 1973. The circuit uses transistors of...