This circuit was found in Mullard's transistor application manual from 1960. More modern transistors can be used. The zener diodes used have the indicated voltages.
We found this simple IF circuit in a book from the 50's. The transistor is made of germanium and...
This circuit uses two transistors, the low noise BC549. Its quality is very good and it has a...
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...