kenambo
Full Member level 6

Hi All,
I was doing S-parameter simulation in cadence to find out the differential loss of a simple circuit. I know the simple formula for return loss Return Loss = (ZL-ZS)/(ZL+ZS).
For simple resistor circuits the hand calculation and the cadence simulation results are same. For the attached circuit I couldn't able to realize the capacitors and find the return loss. In the following circuit, cap value= 2pF and resistances are 50 Ohms each with 100 ohm Port across them.
I am getting a value of S11 = 299.717mV. But I couldn't get the same value through calculation. Please refer the attached image.

Thanks.
I was doing S-parameter simulation in cadence to find out the differential loss of a simple circuit. I know the simple formula for return loss Return Loss = (ZL-ZS)/(ZL+ZS).
For simple resistor circuits the hand calculation and the cadence simulation results are same. For the attached circuit I couldn't able to realize the capacitors and find the return loss. In the following circuit, cap value= 2pF and resistances are 50 Ohms each with 100 ohm Port across them.
I am getting a value of S11 = 299.717mV. But I couldn't get the same value through calculation. Please refer the attached image.

Thanks.