Hi All, Thanks to every one who responded to my query. At least one of my questions is answered. As for the oscillator problem, I shall to work on the hints -- change the capacitors etc. Shall get back to you. By the way, its a holiday today here in India -- HOLI -- The festival of colours. Everyone goes around with colours painting each other up in brigt shades of green, red, blue, purple, even black, and enjoy it enormously. Happy Holi !! B.Dutta