4W Amplifier (CB6205E)

This high gain circuit is from 1969 General Electric documentation. The transistors are of the time, but equivalent types can be tested.

| Clique na imagem para ampliar |

NO Sensor Alarm (CB12346E)
We can either supply this circuit with 12 V if we use a relay for this voltage as well as 6 V if...
Two NAND Gates Monostable (CB126E)
Two NAND gates are used in the configuration shown here to perform as a monostable triggered by...
Crystal Asymmetric Astable (CB12001E)
Frequency and active cycle of this circuit are fixed by the two crystals that may have different...