S-S-G-P-S-S ( 6 layers).
and
G-S-S-S-S-P (6 layers).
I checked books and tried to find equations to calculate impedance.
However, I cannot find any.
Best Regards,
JOHNLIN
CAE Engineer of EDA Department
Digital Equipment Corp. Taiwan Branch
Email: [email protected]
TEL: 1-886-3-3900000 ext. 2565