Does anyone have any comment to make on the merits of Microchip AN1338 as a reference design for an MPPT Grid Connected Solar powered Microinveter system (which it says it is) including quality of software, presentation and implementation. Has anyone used this app note? Grid-Connected Solar Microinverter Reference Design Using a dsPIC=AE Digital Signal Controller http://ww1.microchip.com/downloads/en/AppNotes/PV_AppNotes.pdf Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .