This circuit was obtained in an English magazine from 1978. We can easily assemble it because all the components are common. Transistors can be of any type of general use like BC548. The collector of Q1 is kept turned off, since the noise generated at the base emitter junction is used only. The supply must be done with at least 12 V and the output applied to an amplifier.
| Clique na imagem para ampliar |
