Pulse generator with delay 555 (CB8922E)

We found this circuit in a Hands On Electronics from the 90s. The delay is given by the formulas next to the diagram.

FM Booster (CB26081E)
We found this circuit in the December 1998 issue of Electronics Now magazine. RF transistors such...
Temperature to frequency converter (CB9611E)
This circuit was found in an American documentation from the 80's. The sensor is a special...
Automatic Lighting Control (CB17427E)
This circuit automatically controls the degree of illumination. As the circuit is from 2001, it...