Simple pulse extender (CB8921E)

This TTL pulse stretcher or stretcher was found in a 90's EDN. The time constant R x C1 determines the widening of the incoming pulse.

| Clique na imagem para ampliar |

Linear Ramp Generator (CB11227E)
This circuit generates a 5.3 kHz linear ramp with the indicated components. The 7555 is the CMOS...
Kirlian Machine (CB24957E)
This Kirlian machine circuit uses a car ignition coil. The circuit is from a Radio Electronics from May...
Regulator with emitter follower (CB8811E)
Found in a 1966’s General Electric documentation, this circuit uses a triple diode from the time....