The following information is required to select a gain flattened EDFA for a
multi-channel system:
Maximum number of optical channels for the designed system: N =
Input power per channel: P
IN/λ
=
Required output power per channel: P
OUT/λ
=
Required gain: G = P
OUT/λ
/ P
IN/λ
=
With the above information, use the following table to select an appropriate EDFA.