Follow this one and learn a little about DC Receivers. http://frrl.wordpress.com/2008/11/15/direct-conversion-receiver-making-f riends-with-the-signetics-sa602/ Dar... Darwin (Dar) Piatt - W9HZC Midwest HomeBrewer's and QRP Group http://www.qsl.net/hbqrp <http://www.qsl.net/hbqrp>