Anchor locator (CB7884E)

This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10 meters. The transistor admits equivalent.

| Clique na imagem para ampliar |

Time-out comparator (CB9585E)
This interesting comparator circuit was found in an old Motorola documentation. The integrated circuit...
Constant Current Source (CB6625E)
This two-transistor constant current source is from a 1968 documentation. Modern equivalent...
Frequency Deviation Indicator NE567 (CB12671E)
An interesting application that finds applications in industry, especially when fluctuations in...