Volume Expander (CB14626E)

The circuit shown is from the National Semiconductor FET manual. Both operational and FETs admit equivalents.

| Clique na imagem para ampliar |

Musical Horn (CB23653E)
This circuit was found in a Radio Electronics from May 1965. The transistor is a power transistor and in...
Highest Voltage Memory (CB6495E)
This interesting circuit of an Electronic Design stores the highest voltage of two applied to its...
Cascading voltage multiplier (CB9443E)
We found this circuit in a 90s Radio Electronics. The secondary current of the 110 or 220 V...