18 V to 30 V x 200 mA DC converter with 200 mA (CB8474E)

This circuit was found in a 90s Signetics documentation. The circuit is switched based on components of the time.

| Clique na imagem para ampliar |

Delayed Alarm (CB1511E)
This circuit was found in a 1977 Signetics manual. The 556 consists of a 555 double and the...
12 W amplifier TDA1521 (CB15389E)
The characteristics of this amplifier that does not require a symmetrical source are given in the...
Constant current regulator for lamps (CB8696E)
Found in 1969 RCA documentation, this circuit maintains constant current in the filament of a lamp...