Transistorized multimeter (CB7355E)

This circuit is from a 1967 Triplett manual. The circuit uses components of the time, the common FET and the general-purpose bipolar transistor.

| Clique na imagem para ampliar |

6 W Servo (CB8947E)
This transformerless circuit was obtained in a 1965 publication by Ferranti. The components are from...
Gradual Touch Dimmer (CB19144E)
This circuit is based on an old Siemens integrated that can now be found very easily. It allows the...
Monostable Using the 4047 (I) (CB134E)
The 4047 is a monostable/astable CMOS multivibrator. The basic con- figuration is triggered by the...