Hall effect field detector (CB7359E)

This circuit was found in American documentation from 1966. It uses a hall effect sensor at the time to detect magnetic fields.

| Clique na imagem para ampliar |

Receiver for remote control via powergrid (CB9577E)
The transmitter can be that of CB9574E. This receiver uses a PLL to directly trigger a sensitive relay....
Warning circuit (CB21675E)
This circuit can be used in alarms to generate a warning signal. The circuit is from a 1960s...
Fun Projects for the Experimenter - volume 1
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...