This circuit was obtained from an American documentation from the 80s. Integrated circuits are from that time and are not easy to find today.
The circuit in the figure causes an incandescent lamp to flash at a speed determined by the...
The circuit shown can drive loads from 500 mA to 2 A, depending on the transistor with the TTL or...
Found in American documentation from 1969, this circuit operates in the frequency range 10 to 150...