Downlink Final Amplifier; Figure 4-4 Node G X30 Mcpa Dl Final Amplifier; Figure 4-5 Node G X38 Scpa Dl Final Amplifier - Andrew Node G Series User Manual

User's Manual for Node G
Network Elements

4.3.1. Downlink Final Amplifier

For the Node G x30 an MCPA (multi carrier power amplifier) is used.
This is an error-correcting feed-forward amplifier. It has a high output power while
maintaining superior intermodulation and linearity performance.

figure 4-4 Node G x30 MCPA DL final amplifier

For the Node G x38 an SCPA (single carrier power amplifier) is used.
This is a cartesian feedback amplifier for two channels. The advantage of a SCPA is
a higher output power per channel.

figure 4-5 Node G x38 SCPA DL final amplifier

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