三频闪仪电路

三频闪仪电路
三频闪仪电路TripleStroboscopeThiscircuitenablesobservationofmovementbetweenotherstroboscopes.GenerationofrectangularsignalisbasedonNE555.ThiscircuitrequiresalowpowersupplythatismadefromasimpletransformerTR1,traditionalrectifierbridgeandzenerdiode.NE555worksinmultivibratormodegeneratingastablepulsesof2Hzto20Hz.ThefrequencyisadjustedbypotentiometerP1.ThecontrolpotentiometerP1canbeplacedasfaras30metersaway,forsuspensionofstroboscope’sworkfromfaraway.Itiseasttofindallpartswithfacilityineveryelectronicstore,butitmaybedifficulttofindthetransformersTR2,TR3,TR4.TakeextremecarehandlingthiscircuitbecausenearC5-C7-C9highvoltagesarepresent.


PARTSR1=6,8kR2=5,6kR3=330R4,R6,R8=270/5WR5,R7,R9=220kP1=100klinearpotentiometerC1=100uF/16VC2=4,7uF/16VC3=10nFC4,C6,C8=22nF/400V,MKSC5,C7,C9=10uF/350V,electrolytic(highquality)TR1=Ordinarytransformer230V/9V,1,5VATR2,TR3,TR4=stroboscopetransformernp(ZTK200)D1,D2,D3,D4=1N4149D5=BZX85VZener3.9D6,D7,D8,D9,D10,D11=1N4004IO1=NE555IO2,IO3,IO4=MOC3020XE1,XE2,XE3=stroboscopelampsFT50F1=Fuse0.8A,20mmK1,K5=connectorsARK200-2K2,K3,K4=connectorsARK200-3S1=Switch