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RFSA2033SR Datasheet(PDF) 1 Page - RF Micro Devices |
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RFSA2033SR Datasheet(HTML) 1 Page - RF Micro Devices |
1 / 22 page RFSA2033 Low Loss Voltage Controlled Attenuator 50MHz to 6000MHz Package: QFN, 16-Pin, 0.9mm x 3mm x 3mm RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless ConnectivityTM, PowerStar®, POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2009, RF Micro Devices, Inc. DS1300418 7628 Thorndike Road, Greensboro, NC 27409-9421 – For sales or technical Support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com 1 of 22 Features Patent Pending Circuit Architecture Broadband 50MHz to 6000MHz Frequency Range Low Minimum Insertion Loss (1.0dB Typical at 2GHz) 25dB Attenuation Range +40dBm IIP3 Typical +75dBm IIP2 Typical High 1dB Compression Point >+24dBm Low Supply Current 2.5mA Typical 3V to 5V Power Supply Linear in dB Control Characteristic Internal Temperature Compensation Low Distortion with -65dBc CSO, CTB and XMOD Class 2 ESD (2000V HBM) Complete Solution in a Small 3mm x 3mm, QFN Package Applications Cellular, 3G Infrastructure WiBro, WiMax, LTE Microwave Radio High-linearity Power Control Cable Modems CATV Product Description RFMD’s RFSA2033 is a fully monolithic analog voltage controlled attenuator (VCA) featuring exceptional linearity over a typical temperature-compensated 25dB gain control range and low insertion loss of 1.0dB typical. It incorporates a revolutionary new circuit architecture to solve a long standing industry problem: high IP3, high attenuation range, low DC current, broad bandwidth, and temperature-compensated linear in dB control voltage characteristic. This voltage controlled attenuator is controlled by a single positive control voltage with on chip DC conditioning circuitry. The slope polarity of the control voltage versus gain is selectable. The RFSA2033 draws a very low 2.5mA current. This attenuator is matched to 50Ω over its rated control range and frequency with no external matching components require. Typical VCA’s in this performance category have poor inherent attenuation versus temperature and poor nonlinear attenuation versus control voltage characteristics. To correct these shortcomings, other VCA’s require extensive off chip analog support circuitry that consume valuable PCB area and additional DC power. This game changing product incorporates the complete solution in a small 3mm x 3mm QFN package that reduces the footprint in area and reduces the DC power over conventional PIN diode approaches. Ordering Information RFSA2033SQ Sample bag with 25 pieces RFSA2033SR 7” Reel with 100 pieces RFSA2033TR7 7” Reel with 2500 pieces RFSA2033PCK-410 50MHz to 6000MHz PCBA with 5-piece sample bag RFSA2033PCK-411 CATV, 75Ω PCBA with 5-piece sample bag 3 2 4 1 10 11 9 12 CONTROL BLOCK ATTEN RFIN RFOUT GND GND GND GND EN GND Functional Block Diagram |
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