saveonyourcomputeras.pdf:1-100Transistorcircuits.pdfGoto:101-200TransistorCircuitsGoto:100ICCircuitsSeeTALKINGELECTRONICSWEBSITEemailColinMitchell:talking@tpg.com.auINTRODUCTIONThise-bookcontains100transistorcircuits.Thesecondpartofthise-bookwillcontainafurther100circuits.Mostofthemcanbemadewithcomponentsfromyour"junkbox"andhopefullyyoucanputthemtogetherinlessthananhour.Theideaofthisbookistogetyouintothefunofputtingthingstogetherandthere'snothingmorerewardingthanseeingsomethingwork.It'samazingwhatyoucandowithafewtransistorsandsomeadditionalcomponents.Andthisistheplacetostart.Mostofthecircuitsare"stand-alone"andproducearesultwithaslittleas5parts.Wehaveevenprovidedasimplewaytoproduceyourownspeakertransformerbywindingturnsonapieceofferriterod.Manycomponentscanbeobtainedfromtransistorradios,toysandotherpiecesofdiscardedequipmentyouwillfindallovertheplace.Tosavespacewehavenotprovidedlengthyexplanationsofhowthecircuitswork.ThishasalreadybeencoveredinTALKINGELECTRONICSBasicElectronicsCourse,andcanbeobtainedonaCDfor$10.00(postedtoanywhereintheworld)SeeTalkingElectronicswebsiteformoredetails:http://www.talkingelectronics.comTransistordataisatthebottomofthispageandatransistortestercircuitisalsoprovided.TherearelotsofcategoriesandIamsuremanyofthecircuitswillbenewtoyou,becausesomeofthemhavebeendesignedrecentlybyme.Basicallytherearetwotypesoftransistor:PNPandNPN.WehavelabelledtheNPNtransistorasBC547.ThismeansyoucanuseANYNPNtransistor,suchas2N2222,BC108,2N3704,BC337andhundredsofothers.SomecircuitsuseTUNforTransistorUniversalNPNandthisisthesameasourreasoning-thetransistor-typeisjusttoletyouknowitisnotcritical.BC557canbereplacedby:2N3906,BC327andmanyothers.Don'tworrytoomuchaboutthetransistor-type.JustmakesureitisNPN,itthisisthetypeneeded.Ifitisanunknowntransistor-type,youneedtoidentifytheleadsthenputitinthecircuit.Youhaveachoiceofbuildingacircuit"intheair,"orusinganexperimenterboard(solderlessbreadboard)oramatrixboardorevenahomemadeprintedcircuitboard.Thechoiceisuptoyoubuttheide...