Help!!!
m not a new member but this my first power post...
thank you for this website it's been a great help.

i have a project to design a single phase power monitor with a two level controller. we using 4 quadrant multiplier MC1495L.

i dnt understand how the multiplier works to give out the wattage output of P=VIcosθ.
i would appreciate it if you could give me information on how to begin with the circuit and some information with examples

thank you....

 

This link might be useful ...

http://mysite.du.edu/~etuttle/electron/elect64.htm