A simple converter to power energy-saving lamps

>I want to bring to your attention a simple converter for feeding fluorescent fluorescent lamps or energy-saving lamps. The circuit is based on a single-cycle blocking generator and consists of only six parts.
The transformer is wound on the core of the Sh-shaped image. The ideal option is a transformer from a telephone set of  Soviet production.Thewindingofthelampiswoundwithawireof0.1-0.2mmforan11wattlampof200-250turns.Thenthecollectorwindingiswoundandcontains20-30turnsofwire0.35-0.6mm.Next,thewindingofthebase-5-7turnsofanywire.ResistorR1isselectedwhensettingthecurrentconsumptionwithin0,6A-0,8Afora11-wattlamp.
Ingeneral,thecircuitworksimmediatelywithoutsetting,ifnot,changethewiresofthewindingofthebaseorcollector.Personally,Iboughta11-wattlampinastore.Idisassembleditsstart-upcircuit(otherwiseitwillnotwork!)Andpoweredits assembledconverterfroma6voltbattery.Seephotos:Brightnessisdecent-great!Heatingofthelampandthetransformerisallowed.Thetransistormustbeputontheradiator.

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