Adjustable Notch Filter (CB14918E)

This circuit was found in an old Poptronics. Operational amplifiers can be replaced with equivalents. The power supply must be symmetrical.

| Clique na imagem para ampliar |

IF Simple stage (CB22241E)
We found this simple IF circuit in a book from the 50's. The transistor is made of germanium and...
General Purpose Preamplifier (CB4851E)
This circuit uses two transistors, the low noise BC549. Its quality is very good and it has a...
HDC1010 Digital Humidity Sensor (COM087E)
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...