Extracting Fuses (IP050E)

The figure bellow show the correct procedure to extract a fuse. Use a small piece of tissue to pull the fuse without risk.

Operational with FETs (CB14073E)
In the figure we have the way to obtain an operational amplifier with FETs at the input, using a...
Low Loss Dimmer (CB5295E)
This circuit was found in a 1980s documentation. The low voltage circuit uses a PUT. Transistors can...
Roman numeral display (CB22160E)
This circuit shows numbers I II and III when mounted on its side, depending on the position of the...