Free Web Hosting Provider - Web Hosting - E-commerce - High Speed Internet - Free Web Page
Search the Web

Car Converter, 12v to 9v


Parts List:
R1 = 560 ohm
C1 = 1000uF/16V, Electrolytic
C2 = 100uF/16V, Electrolytic
C3 = 330nF, Ceramic
Z1 = 9.1V, 0.4watt zener
Q1 = ECG184, NTE184

Notes:
To get a more precise output voltage, replace zener diode Z1 with 10V and R1 with a 1Kilo ohm potentiometer. A Coolrib for Q1 is optional. Simple circuit to power your 9volt cassette recorder and other stuff.
Back to Circuits Menu
Copyright © Tony van Roon, CET