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RFSA2033SQ

更新时间： 2024-11-05 01:03:07
品牌 Logo 应用领域
威讯 - RFMD 衰减器射频微波
页数 文件大小 规格书
22页 1486K
描述
Low Loss Voltage Controlled Attenuator 50MHz to 6000MHz

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RFSA2033SQ 数据手册

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RFSA2033  
Low Loss Voltage Controlled Attenuator  
50MHz to 6000MHz  
Package: QFN, 16-Pin, 0.9mm x 3mm x 3mm  
EN  
1
2
3
4
12  
11  
10  
9
GND  
GND  
RFIN  
GND  
CONTROL  
BLOCK  
GND  
RFOUT  
GND  
Features  
Patent Pending Circuit Architecture  
Broadband 50MHz to 6000MHz  
Frequency Range  
ATTEN  
Low Minimum Insertion Loss (1.0dB  
Typical at 2GHz)  
25dB Attenuation Range  
+40dBm IIP3 Typical  
+75dBm IIP2 Typical  
Functional Block Diagram  
High 1dB Compression Point  
>+24dBm  
Low Supply Current 2.5mA Typical  
3V to 5V Power Supply  
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.  
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  
Ordering Information  
RFSA2033SQ  
Sample bag with 25 pieces  
RFSA2033SR  
7” Reel with 100 pieces  
RFSA2033TR7  
7” Reel with 2500 pieces  
RFSA2033PCK-410  
RFSA2033PCK-411  
50MHz to 6000MHz PCBA with 5-piece sample bag  
CATV, 75Ω PCBA with 5-piece sample bag  
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  
1 of 22  
Support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com  
1234567...22

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