Converter 12 Volt to 9 Volt DC

Gambar Skema Converter 12volt to 9volt DC12 Volt to 9 Volt DC Converter Component List:R1 = 560 ohmC1 = 1000uF/40V, ElectrolyticC2 = 10uF/25V, ElectrolyticC3 = 330nF, CeramicZ1 = 9.1V, 1watt zenerQ1 = ECG184, NTE184