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RFSA4023SQ PDF预览

RFSA4023SQ

更新时间： 2024-02-22 13:43:26
品牌 Logo 应用领域
威讯 - RFMD 衰减器
页数 文件大小 规格书
14页 1083K
描述
TEMPERATURE COMPENSATING ATTENUATOR

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中文翻译

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RFSA4023SQ 数据手册

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RFSA4023  
TEMPERATURE COMPENSATING ATTENUATOR  
Package: QFN, 16-Pin, 0.9mmx3mmx3mm  
16  
15  
14  
13  
1
2
3
4
12  
11  
GND  
NC  
GND  
NC  
Features  
Patent Pending Circuit  
Architecture  
CONTROL  
BLOCK  
Broadband 50MHz to 6000MHz  
Frequency Range  
RFIN  
NC  
10 RFOUT  
3 Selectable Attenuation versus  
Temperature Slopes  
ATTEN  
NC  
9
+55dBm IIP3 Typical  
+85dBm IIP2 Typical  
5
6
7
8
High 1dB Compression Point  
>+30dBm  
Low Supply Current 1mA Typical  
3.3V Power Supply  
Functional Block Diagram  
Class 1C ESD ( 1000V )  
Product Description  
Complete Solution in a Small  
3mmx3mm QFN Package  
RFMD's RFSA4023 is a fully monolithic analog temperature compensating attenuator (TCA) fea-  
turing exceptional linearity over its entire gain control range. It is designed to offset the gain  
reduction of an RF component over temperature without the need for closed loop feedback.  
Three customer selectable temperature coefficients make it a flexible solution for RF lineups. It  
incorporates revolutionary new circuit architecture to solve a long standing industry problem  
with regards to attenuator architecture: high IP3, low DC current and broad bandwidth. Tradi-  
tional approaches for solving this problem require expensive co-fired ceramics with tempera-  
ture sensitive materials or current hungry PIN diodes with elaborate area consuming control  
circuits. This temperature compensating attenuator requires only a single supply voltage and  
two logic bits to set control attenuation slope versus temperature. The RFSA4023 draws a very  
low 1mA current and is packaged in a small 3mmx3mm QFN. This attenuator is matched to  
50over its rated control range and frequency with no external matching components  
required.  
5V Part Available - RFSA4013  
Applications  
Cellular, 3G Infrastructure  
WiBro, WiMax, LTE  
Microwave Radio  
High-Linearity Level Control  
Ordering Information  
RFSA4023SQ  
RFSA4023SR  
RFSA4023TR7  
Sample bag with 25 pieces  
7” Sample reel with 100 pieces  
7” Reel with 2500 pieces  
RFSA4023PCK-410 50MHz to 6000MHz PCBA with 5-piece sample bag  
Optimum Technology Matching® Applied  
GaAs HBT  
GaAs MESFET  
InGaP HBT  
SiGe BiCMOS  
Si BiCMOS  
SiGe HBT  
GaAs pHEMT  
Si CMOS  
Si BJT  
GaN HEMT  
BiFET HBT  
LDMOS  
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-  
mark 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. ©2006, RF Micro Devices, Inc.  
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical  
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.  
DS140117  
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