Pulse Generator (CB24524E)

Using the 555 and 7400 this circuit was found in the September 1977 Radio Electronics magazine. The power supply must be made with a voltage of 5 V.

| Clique na imagem para ampliar |

Infrared Vision (CB24310E)
This circuit is from a Radio Electronics magazine from August 1974. It used one of the first...
Phase Shift Oscillator (CB4373E)
This circuit was found in an English magazine from 1973. The magazine no longer exists, but the...
Nanoammeter (CB9662E)
This circuit for measuring very low currents was found in an American documentation from the...