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 |

Three-Gate Ring Oscillator (CB106)
An oscillator that uses two gates is not suitable for critical applications, as it tends to pick...
Piezoelectric Alarm (CB6425E)
We found this circuit in a 1991 Hobbyst Electronics. The circuit makes use of an unusual...
Integrated Intercom (CB16336E)
We found this circuit in a 1982 documentation. An intercom to be good must be sensitive and have...