[sdiy] how to power my opamp?

[marcel 0101101]

hi,
i want to know what's the best (most common?) way to power an opamp(TL084)with 9V DC power supply (i need +9V and -9V).
i've heard about (input)biasing but i don't know how it works..

anyone??
-- 
__________________________________________________________
Sign-up for your own personalized E-mail at Mail.com
http://www.mail.com/?sr=signup

CareerBuilder.com has over 400,000 jobs. Be smarter about your job search
http://corp.mail.com/careers