Reminder (CB9548E)

This circuit maintains on a flashing LED at a frequency determined by the capacitor. The unijunction transistor can be 2N2646.

| Clique na imagem para ampliar |

Tunable Notch Filter (CB14923E)
This circuit rejects frequencies around 1 kHz and can be adjusted using C1. Equivalent operational...
Carbon Monoxide Detector (CB25886E)
This is an old circuit with a homemade sensor found in the September 1995 Electronics Now...
FMx Schottky Rectifiers
July 2017 - The new Schottky rectifiers from the FMX series for currentes from 1 to 3 A from...