RF3805PCBA-414

Proposed 0 Typical Applications RF3805 GaAs HBT PRE-DRIVER AMPLIFIER • GaAs HBT Pre-Driver for Basestation Amplifiers • Class AB Operation for GSM/EDGE/ • Power Amplifier Stage for Commercial Wireless Infrastructure CDMA2000/W-CDMA Transmitter Applications Product Description The RF3805 is specifically designed for wireless infrastructure applications. Using a highly reliable GaAs HBT fabrication process, this high-performance dual-stage amplifier achieves high output power over a broad frequency range. The RF3805 amplifier also provides excellent efficiency and thermal stability through the use of a thermally-enhanced surface-mount AlN package. Ease of integration is accomplished through the incorporation of an optimized evaluation board design provided to achieve proper 50 Ω operation. Various evaluation board configurations are available to address a broad range of wireless infrastructure applications: • GSM/EDGE1800 • CDMA2000 • W-CDMA Optimum Technology Matching® Applied Si BJT Si Bi-CMOS InGaP/HBT GaAs HBT SiGe HBT GaN HEMT GaAs MESFET Si CMOS SiGe Bi-CMOS -A- Pin 1 0.005 A 0.0025 0.200 REF Shaded circle designates pin 1 location. 0.024 0.198 0.180 REF 0.236 Dimensions in inches. 0.156 0.025 R.008 0.050 TYP 0.028 TYP 0.050 REF 0.0780 MAX 0.020 7 PL Package Style: AlN Features • 5W Output Power • High Linearity • 40% Power-Added Efficiency • Thermally-Enhanced AlN Packaging • Broadband Platform Design Approach VCC1 1 VREF 2 RF IN 3 V_BIAS 4 Bias Circuit 8 RF OUT/VCC2 7 RF OUT/VCC2 6 RF OUT/VCC2 5 RF OUT/VCC2 Ordering Information RF3805 RF3805PCBA-411 RF3805PCBA-412 RF3805PCBA-413 RF3805PCBA-414 RF3805PCBA-415 GaAs HBT Pre-Driver Amplifier Fully Assembled Evaluation Board - 1625 to 1665 Fully Assembled Evaluation Board - 1710 to 1785 Fully Assembled Evaluation Board - DCS1800 Fully Assembled Evaluation Board - PCS1900 Fully Assembled Evaluation Board - UMTS2100 Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com PACKAGE BASE GND Functional Block Diagram RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA Rev A1 040806 4-631 RF3805 Proposed Please contact RF Micro Devices Applications Engineering at (336) 678-5570 for more information. 4-632 Rev A1 040806