Square Root Extractor (CB21034E)

Found in Analog Devices documentation from the 1980s, this circuit provides an output voltage that is the square root of the input voltage.

| Clique na imagem para ampliar |

Intelligent battery charger (CB7130E)
Suggested by Radio Electronics from the 90s, this circuit is suitable for NiCAd batteries with a...
Field intensity meter (CB7365E)
Found in a 1966 publication, this circuit is a simple version of a field strength meter. The diode...
Antenna Switch using Diodes (CB4156E)
We find this circuit in a 1980s documentation for amateur radio. The circuit shows how to switch...