Blown Fuse Alarm (CB6109E)

We found this circuit in a 1967 Electronic design. However, it can be easily implemented even today as it uses only common diodes.

| Clique na imagem para ampliar |

Flash triggered by SCR (CB6754E)
Found on a 1965 Radio Electronics, this circuit fires a signal xenon lamp applied to the SCR from...
Logarithmic amplifier (CB9006E)
This type of amplifier can be found in many other points in this section. This is from a 70s...
Voltage Controlled Inverter Shield (CB13305E)
This circuit is from a publication of the 70s, but it can be easily assembled with the BC548. The...