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RFSA4033PCK-410 PDF预览

RFSA4033PCK-410

更新时间： 2024-11-19 01:05:15
品牌 Logo 应用领域
威讯 - RFMD /
页数 文件大小 规格书
17页 3177K
描述
Programmable Temperature Compensating Attenuator 5MHz to 6000MHz

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中文翻译

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RFSA4033PCK-410 数据手册

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RFSA4033  
RFSA4033  
RFSA4033  
Programmable Temperature Compensating Attenuator  
5MHz to 6000MHz  
Package: QFN, 16-pin,  
3.0mm x 3.0mm x 0.85mm  
The RFSA4033 is a fully monolithic linear-in-dB analog temperature  
compensating attenuator (TCA) featuring 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.  
Eight customer selectable scaled attenuation slopes and eight selectable  
nominal attenuation values at 25°C creates a total combination of 64  
possible temperature coefficients which 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. Traditional approaches for solving  
this problem require expensive co-fired ceramics with temperature sensitive  
materials or current hungry PIN diodes with elaborate area consuming  
control circuits. This temperature compensating attenuator requires only a  
single supply voltage and 6 logic bits to set the temperature coefficient. The  
RFSA4033 is packaged in a small 3mm x 3mm QFN. This attenuator is  
matched to 50Ω over its rated control range and frequency with no external  
matching components required.  
Features  
■
Patent Pending Circuit Architecture  
■
Broadband 5MHz to 6000MHz  
Frequency Range  
■
64 Selectable Attenuation versus  
Temperature Linear-in-dB Slopes  
■
■
■
+52dBm Input IP3 Typical  
+80dBm Input IP2 Typical  
High 1dB Compression Point  
>+30dBm  
■
Low Residual Phase Noise  
<-140dBc/Hz at 10kHz offset  
■
■
■
3V to 5V Power Supply  
3V Logic Compatible  
Class 2 ESD (2000V HBM)  
16  
15  
14  
13  
Applications  
GND  
GND  
GND  
RFIN  
GND  
1
2
3
4
12  
11  
10  
9
■
■
■
■
■
■
■
Cellular, 3G, LTE Infrastructure  
CONTROL  
SYSTEM  
GND  
WiBro, LTE  
RFOUT  
GND  
Microwave Radio  
High Linearity RF Power Control  
Cable Modems  
CATV  
ATTENUATOR  
5
6
7
8
Test Equipment  
Functional Block Diagram  
Ordering Information  
RFSA4033SQ  
Sample bag with 25 pieces  
RFSA4033SR  
7" Reel with 100 pieces  
RFSA4033TR7  
RFSA4033PCK-410  
7" Reel with 2500 pieces  
5MHz to 6GHz PCBA with 5-piece sample bag  
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421  
DS150225  
For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com.  
RF MICRO DEVICES® and RFMD® 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. ©2013, RF Micro Devices, Inc.  
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