The SKY77661–11 is a hybrid, multimode multiband (MMMB)
Power Amplifier Module (PAM) that supports 2.5G and 3G/4G
handsets and operates efficiently in GSM, EGPRS, EDGE, WCDMA,
and LTE modes. The PAM consists of a GSM 800/EGSM 900 PA
block, a DCS1800/PCS1900 PA block, separate WCDMA blocks
operating in low and high bands, a logic control block for multiple
power control levels, and band enable functions in both cellular
and UMTS. RF I/O ports are internally matched to 50 Ω to
minimize the number of external components. Extremely low
leakage current maximizes handset standby time. The
InGaP/GaAs die and passive components are mounted on a multi–
layer laminate substrate and the assembly encapsulated in plastic
overmold