Logarithmic generator (CB7593E)

This circuit has a 100 dB dynamic We found it in a Popular Electronics from the 90s. Equivalent operational can be used.

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Dimmer (CB5270E)
This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit...
sxzVoltage Sextuplicator (CB18620E)
This circuit can be used in physics experiments, in ionization and in several other applications. The...
1-Transistor MW Radio (CB11576E)
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...