Reminder (CB9548E)

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

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12 V to 110V or 220V Inverter (CB16837E)
This inverter can reach a power of 300 W depending on the transformer used. In this case, a...
Beacon with instrument (CB20495E)
This circuit causes an instrument needle to oscillate to signal an event. The circuit is powered by...
Longwave Converter (CB26178E)
This circuit converts signals from the 350 kHz to 500 kHz longwave (VLF) band to the 4.35 to 4.6...