The Designer's Guide Community Forum https://designers-guide.org/forum/YaBB.pl Design Languages >> Verilog-AMS >> Power calculation when a high-frequency sinusoidal voltage source is applied https://designers-guide.org/forum/YaBB.pl?num=1570245636 Message started by Peng_Li on Oct 4th, 2019, 8:20pm

 Title: Power calculation when a high-frequency sinusoidal voltage source is applied Post by Peng_Li on Oct 4th, 2019, 8:20pm Hi, In my recent work, I need to calculate the electrical power consumed by a conductor (using Verilog-A). As we know, the impedance of a conductor varies with the frequency of the electrical excitation applied. For example, its dc resistance is assumed to be Rdc, and the resistance at 20 GHz is assumed to be Rac (because of skin effect).The electrical excitation is a sinusoidal voltage source, which is expressed asV=V0+Va*sin(2*pi*freq*t)where V0 is the dc component; Va is the amplitude of the ac component; freq is the frequency; t is the time.My question is, in the following, which is the correct way to calculate the electrical power consumption of the conductor?(1) Power consumption on Rac with both dc and ac voltage component applied(2) The summation of dc power consumption on Rdc and ac power consumption on RacAny help would be greatly appreciated, thank you.

 Title: Re: Power calculation when a high-frequency sinusoidal voltage source is applied Post by saigoutham on Oct 22nd, 2019, 6:00pm Hi Peng,I think, you need to take sum of Vo*Rdc and average of (Va*sin(2*pi*freq*t))*Rac to find average power consumption. Did you try running a simulation on existing models for a conductor in Spectre or any other simulator to cross verify 1 and 2?