Below shows the current generalized immittance converter. I am trying to derive the transfer function (V3/Vin) of the said filter but I am getting problems in obtaining the voltages at some of the nodes.
These are the equations at the nodes I managed to obtain;
Node V1: (V3-V1)Y2 + (0-V1)Y6 + (Vin-V1)Y5 = 0
Node V2: (V4-V2)Y4 + (Vin-V2)Y7 + (0-V2)Y8 = 0
Node V3: (V1-V3)Y2 = 0
Node V4: (V2-V4)Y4 = 0
Node Vin: (V1-Vin)Y5 + (V2-Vin)Y7 = 0
I realized when I worked down with these equations I was not able to get the correct transfer function so I know some of the voltages into the nodes above are wrong. Can anyone help at least guide me to get the correct equations at each of the nodes so I can work out the transfer function. Any and all help will be greatly appreciated. Thank you.