Amplifier for radon monitor (CB21202E)

This circuit was found in an Electronics Now from the 90's. See the previous article for the assembly of the detector head.

| Clique na imagem para ampliar |

Square Wave Generator (CB12810E)
This circuit was obtained in an old Argentine publication, using germanium transistors and...
Milliohmmeter (CB25813E)
This very low resistance meter was found in the February 1995 issue of Electronics Now magazine. The...
White noise generator (CB22010E)
Using a CA3130 operational amplifier, this circuit was found in an English publication from 1977....