Inverter Regulator -15 V with 1.5 A LM78S40 (CB14407E)

We found this circuit in the Linear Applications Hanbook of the National Semiconductor in 1994. The semiconductors used are not very common today.

| Clique na imagem para ampliar |

Regulator from 0 to 25 V x 1 A (CB1193E)
The advantage of this circuit lies in the fact that it does not need a negative source to generate...
Audio generator 741 (CB8643E)
This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit...
Pre For Low Impedance Microphone (CB12870E)
With this circuit from an old 1973 publication it is possible to use a small speaker as a...