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Tocsep05.Qxd 8/15/2005 5:11 PM Page 4 Vol. 26 No. 9 Nuts & Volts CAPACITORS — The Family Tree September 2005 WWW.GiURUMELE.Hi2.RO WWW.RADiOSCAMATORUL.Hi2.RO Circle #154 on the Reader ServiceCircle Card. Cover.qxd 8/15/2005 6:03 PM Page 100 CoverInside.qxd 8/12/2005 5:14 PM Page 2 CircuitSpecialists.com CircuitSpecialists.com CircuitSpecialists.com Premier Repairing System w/Power Supply 2.9GHz RF Field Strength Analyzer Microprocessor controlled design that pro- Fantastic Low vides stability and precision of tempera- The 3290 is a high quality hand-held Price: ture and airflow settings during the rework RF Field Strength Analyzer with wide $1899.00! band reception ranging from 100kHz process. 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Full Page.qxd 8/12/2005 4:29 PM Page 3 WWW.GiURUMELE.Hi2.RO WWW.RADiOSCAMATORUL.Hi2.RO TOCSep05.qxd 8/15/2005 5:11 PM Page 4 SEPTEMBER 2005 Vol. 26 No. 9 PROJECTS and FEATURES COLUMNS 32 POOL TIMER 55 CAPACITORS — 08 TECHKNOWLEDGEY 2005 WWW.GiURUMELE.Hi2.RO Build your own pool timer and THE FAMILY TREE Events,Advances, and News let it do the ”dirty” work. An indepth tutorial on the from the Electronics World by Michael Simpson fundamentals of capacitors. by H.Ward Silver 12 Q&A WWW.RADiOSCAMATORUL.Hi2.RO 37 BUILD AN RC CAR ON FM transmissions described, THE CHEAP 61 GENERATING ANALOG build a magic box, and see how This versatile circuit allows you WAVES FROM DIGITAL to gauge the power in your RC to customize an RC car how SIGNALS battery pack you prefer it to be. 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