Hi,


So you're the first in your university to work on such a project? That sounds tough, especially for RF work since you will probably need to design the inductors in an EM simulator and then import the s-parameter models.

Assuming you're using Assura, you need to run DRC and LVS. Once your circuit has passed LVS, you need to run QRC. After QRC, an "av_extracted" view will then appear in your library. You need to run simulations on this av_extracted view. You can do so in one of two ways. First you could go to your environment settings in ADE and type in av_extracted at the front of the switch view list. Alternatively you could create a "config" view which will allow you to change the view to simulate block-by-block.

Since this is RF, you shouldn't run QRC on the inductors (unless they are part of the PDK). You need to use an EM simulator to find the S-parameters of the inductor. You can then include the s-parameters in the simulation using the nport component from analogLib...

There are a lot of details I haven't included here because it would be too long. Try running QRC and simulate the extracted view first. Feel free to ask further questions later.


regards,
Aaron

Hi, AZADBAKHT,

   " R=[√(L/C)]*Q "
   This equation is only approximately correct @SRF(Self-Resonance Frequency), where omega=1/sqrt(LC).  The SRF is definitely not your oscilation frequency.

   You should use R=omega*L*Q to estimate the impedance, where the omega is the oscilation frequency you want.

   The different R values roots in the Series-Parallel Transform.

 

AZADBAKHT wrote on Aug 15^th, 2014, 6:36am: