6W_WCDMA_Push_Pull_PAFUJITSU APPLICATION NOTE - No 007 60-W, 2.5- 2.7 GHz Push-Pull Amplifier For MMDS Base-Station Application Using The FLL600IQ-3 GaAs FET Device FEATURES Targeted WCDMA ACPR at 6 W average Over 60 Watts Pout over entire band High gain Good repeatability Easy tuning for Power, WCDMA ACPR, and IMD High MTTF > 10 6 hours @ TCH =175 ° C High linearity High Power-Added Efficiency SUMMARY: A 60-Wpush-pull amplifier design for the 2.5-2.7 GHz MMDS band using the Fujitsu FLL600IQ-3 GaAs FET device is presented. Full circuit design details as well as the measured results for class A-B operation are provided. Information required for balanced amplifier design is provided without example. FUJITSU APPLICATION NOTE - No 007 FLL600IQ-3 Device Description Circuit Description The circuitr……