On Oct 17, 2013, at 3:38 PM, Richard Karlquist <richard at karlquist.com> wrote: > If you are below 80 MHz, Linear Technologies makes a thermal power meter > on a chip. Alas, the LT1088 is no longer made. http://www.linear.com/product/LT1088 Best regards, -Steve -- Steve Byan <stevebyan at me.com> Littleton, MA 01460