3-decade logarithmic AD (CB9024E)

This circuit was found in a 70s American documentation. The converter can be of any type and the power supply for the operators must be symmetrical.

| Clique na imagem para ampliar |

Instrument Scale Modifier (CB4159E)
Using a zener diode it is possible to change the linearity of the scale of an analog instrument by...
Experimental Geiger (CB13044E)
Large-surface diodes and even neon lamps can function as radiation sensors. The circuit shown in...
Long Interval Timer (CB1521E )
The time constant of this circuit is 100 x R1 x C1, which leads to the possibility of obtaining times...