Neon Desk lamp

Posted on Oct 1, 2012

The circuit is based on IC1, which is a 555 timer IC in astable mode. It will power a 6 inch 4 Watt fluorescent tube off a 12 volt supply, consuming 300 mA. It may also be powered by a suitably rated universal AC/DC adapter. Advantages of the design are: good light, low power consumption, and readily available stock parts.

Neon Desk lamp
Click here to download the full size of the above Circuit.

IC1`s current output is amplified by TR1, and the voltage at the collector is stepped up by T1, a mains to 6-0-6 V transformer. Heat-sinks are advised for TR1 and T1. Before applying power, VR1 should be advanced to a full 5 K. While power consumptio

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