70 W Amplifier CIR13630S (CB6274E)

This circuit was found in an Electronics World of 1966. It has a range of 5 to 25 000 Hz at 1 dB and the diagram includes the power supply.

| Clique na imagem para ampliar |

0 to 30 V 1 A protected power supply (CB25233E)
This power supply was found in the September 1989 issue of Radio Electronics magazine. The 2N3055...
Diodes & Fuses Test (CB4536E)
I found this simple circuit from an English magazine from 1984. The circuit can be easily...
Regulator for dynamo (CB7122E)
This voltage regulator for automotive use was found in a Radio Electronics from the 80s. The Q3...