Information from your files:<br />[quote]<br />Efficiency n1 = Rs/(RL1 + Rs)&nbsp;  for transmitter side<br /><br />And 	&nbsp; &nbsp;  n2 = RL/(RL1 + Rs)&nbsp;  for receiver side<br /><br />Q1 = woL1/(RL1 + Rs)&nbsp;  <br /><br />Q2= woL2/(RL2 + RL)&nbsp;  <br /><br />But in this simulation Q1=Q2=Q<br /><br />L1 and L2 can be any value: <br /><br />As efficiency is 96% it implies Rs=RL= 96 ohm<br />RL1 and RL2 = 4 ohm = inductor coil resistance.<br />[/quote] <br />If the size of the coil is defined (in your case), the inductance is fixed,too.<br />L1=L2 in the above case because they are the same size.<br />Did you measure the inductance L of the coil? <br />It will be easier for me if you can provide the value for all the elements: C1, L1, C2, L2 and Vo<br /><br />I have another question: Why the resistance of the coil is 4ohm if it is a single turn coil. (It is too large for a single turn coil).<br /><br />May I know why you need this kind of simulation? (What it is for?)<br /><br />