Hi I am using dsPIC 30f6010 microcontroller to build single phase inverter whi= ch should vary amplitude and frequency independently. In the motor control = development kit amplitude dependent on the frequency. Some one help how to = write program for this. Regards Kannan >>=20 >>>=20 >>>=20 >>=20 >>=20 >>=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .