RFPA3805

RFPA3805 GaAs HBT 2-Stage Power Amplifier 700MHz to 2700MHz RFMD’s RFPA3805 is a GaAs HBT linear power amplifier specifically designed for Wireless Infrastructure applications. Using a highly reliable GaAs HBT fabrication process, this high performance two-stage amplifier achieves high linearity over a broad frequency range. Its external matching allows for use across various radio platforms within 700MHz to 2700MHz. The RFPA3805 can also be optimized for high-efficiency applications. NC RFOUT1/VCC1 RFOUT1/VCC1 RFIN2 RFIN2 NC 28 27 26 25 24 23 NC 1 22 NC NC 2 RFIN1 3 21 RFOUT2/VCC2 20 RFOUT2/VCC2 STG2 STG1 NC 4 19 RFOUT2/VCC2 NC 5 NC 6 NC 7 STG1 BIAS CIRCUIT STG2 BIAS CIRCUIT 18 RFOUT2/VCC2 17 NC 16 NC NC 8 15 NC 9 10 11 12 13 14 VREF1 NC VBIAS NC VREF2 NC Functional Block Diagram Ordering Information RFPA3805SQ Sample bag with 25 pieces RFPA3805SR 7" Reel with 100 pieces RFPA3805TR13 13" Reel with 2500 pieces RFPA3805PCK-410 728MHz to 768MHz PCBA with 5-piece sample bag RFPA3805PCK-411 2110MHz to 2170MHz PCBA with 5-piece sample bag RFPA3805PCK-412 2580MHz to 2690MHz PCBA with 5-piece sample bag RFPA3805 Package: QFN, 28-pin, 4.0mm x 5.0mm Features ■ High Gain 20.5dB at 2.14GHz ■ High Linearity, OIP3 = 47.5dBm at 2.14GHz ■ Off-chip Interstage for Design Flexibility ■ Independent Bias Control for Each Stage ■ Power-down Capability ■ 700MHz to 2700MHz Operation Applications ■ GaAs Driver for Base Station Amplifier ■ PA Stage for Commercial Wireless...