Hello, Some of you may have already found the free DSP book. But I thought it might be useful in light of the upcoming Microchip dsPIC MCU DSP hybrid. Regards Eelco Deutekom -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads