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PDF RF3857 Data sheet ( Hoja de datos )
| Número de pieza | RF3857 | |
| Descripción | DUAL CHANNEL LNA | |
| Fabricantes | RF Micro Devices | |
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Hay una vista previa y un enlace de descarga de RF3857 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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RF3857
DUAL CHANNEL LNA WITH BYPASS MODE
Package Style: QFN, 16-Pin, 3mmx3mmx0.45mm
Features
Low Noise and High Intercept
Point
Adjustable Bias Current
Power Down Control
Low Insertion Loss Bypass
Feature
1.8V to 4V Operation (See
“Bias Note” on Page 3)
0.9GHz to 4.0GHz Operation
Applications
WiFi LNA with Bypass Feature
WiMAX LNA with Bypass Fea-
ture
CDMA PCS LNA with Bypass
Feature
Suitable for 1x2 or 2x1
MIMO Applications
Commercial and Consumer
Systems
16
GAIN SEL1 1
GND 2
15 14
Logic Logic
Control Control
13
12 GAIN SELECT2
11 GND
RFOUT1 3
10 RFOUT2
N/C 4
9 N/C
5678
Functional Block Diagram
Product Description
The RF3857 is a dual channel switchable low noise amplifier with a very
high dynamic range designed for digital cellular, WiMAX, and WiFi applica-
tions. The device functions as an outstanding front end low noise ampli-
fier. The bias current may be set externally. The RF3857 combines two
receive paths, which is ideal in an application that requires two receive
paths, such as 1x2 and 2x2 MIMO for both WiFi and WiMax aplications.
The IC is featured in a standard QFN, 16-pin, 3mmx3mm plastic package.
DS110616
Optimum Technology Matching® Applied
GaAs HBT
SiGe BiCMOS
GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
RF MEMS
InGaP HBT
SiGe HBT
Si BJT
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 [email protected].
1 of 11
1 page  
Package Drawing
RF3857
DS110616
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
5 of 11
5 Page 
RF3857
Ordering Information
Ordering Code
RF3857
RF3857SR
RF3857TR7
RF3857PCK-410
RF3857PCK-411
Description
Standard 25 piece bag
Standard 100 piece reel
Standard 2500 piece reel
Fully assembled evaluation board tuned for 2.0GHz to
3.0GHz and 5 loose sample pieces
Fully assembled evaluation board tuned for 3.1GHz to
4.0GHz and 5 loose sample pieces
DS110616
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
11 of 11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet RF3857.PDF ] | |
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