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SE7351L
3.3 - 3.8 GHz Front-End Transceiver
Applications
802.16, WiMAX Systems Proprietary Broadband Wireless Access Systems Wireless Local Loop
Product Description
The SE7351L is a low noise, high linearity front-end transceiver for the 3.3 - 3.8 GHz band. The receiver provides a low noise down-conversion from RF to a 200 - 600 MHz intermediate frequency. 40 dB of gain control is available prior to the down-conversion for optimization of noise and linearity. The gain control is divided between the variable gain LNA and a 3 bit digital attenuator with 4 dB step size. An off-chip filter between the LNA and mixer can be used for image rejection. The IF output has an off-chip matching network for flexible frequency planning and SAW filter selection. The transmitter up-converts to RF from a 200 - 600 MHz IF. The up-conversion mixer output is brought off chip to allow image band and LO suppression prior to final amplification. The transmit attenuator has a three bit digital interface with 4 dB resolution and a total range of 25 dB.
Features
Low Noise, High Linearity Receiver Receive gain = 20 dB Receive NF = 3.0 dB (whole chain, including filter) Receive IP1dB = -4 dBm Transmit gain = 30 dB Transmit gain range = 25 dB Transmit output P1dB = 11 dBm 3.3 or 5 V operation Lead Free and RoHS Compliant Part of SiGe's chipset solution for 3.3 - 3.8 GHz BWA systems Lead Free, RoHS compliant, 6 x 6 mm, MSL3 Package
Ordering Information
Type SE7351L SE7351L-T SE7351L-AK3 Package 40 pin, 6 mm x 6 mm QFN 40 pin, 6 mm x 6 mm QFN Remark Samples Tray TDD Radio Application Board
Functional Block Diagram
LNA/ATT/RFA Output
3-Bits
Down-Converter Input
Rx RF Input
RX IF Differential Output
SiGe SE7351L
Tx RF Output
2-Bits 1-Bit
RX LO Input (From SE7051L)
TX IF Differential Input
ATT/Driver Input
Up-Converter Output
Figure 1: SE7351L Block Diagram
DST-00073
Rev 1.7
May-26-2009 NOT RECOMMENDED FOR NEW DESIGNS
1 of 2
SE7351L
3.3 - 3.8 GHz Front-End Transceiver
http://www.sige.com Email: sales@sige.com
Customer Service Locations:
North America: 1050 Morrison Drive, Suite 100 Ottawa ON K2H 8K7 Canada Phone: +1 613 820 9244 Fax: +1 613 820 4933
Hong Kong Phone: +852 3428 7222 Fax: +852 3579 5450 San Diego Phone: +1 858 668 3541 (ext. 226) Fax: +1 858 668 3546 United Kingdom Phone: +44 1279 464217 Fax: +44 1279 464201
Product Preview The datasheet contains information from the product concept specification. SiGe Semiconductor, Inc. reserves the right to change information at any time without notification. Preliminary Information The datasheet contains information from the design target specification. SiGe Semiconductor, Inc. reserves the right to change information at any time without notification. Production testing may not include testing of all parameters. Information furnished is believed to be accurate and reliable and is provided on an "as is" basis. SiGe Semiconductor, Inc. assumes no responsibility or liability for the direct or indirect consequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. No license or indemnity is granted by implication or otherwise under any patent or other intellectual property rights of SiGe Semiconductor, Inc. or third parties. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SiGe Semiconductor, Inc. products are NOT authorized for use in implantation or life support applications or systems without express written approval from SiGe Semiconductor, Inc.
Copyright 2009 SiGe Semiconductor, Inc. All Rights Reserved
DST-00073
Rev 1.7
May-26-2009 NOT RECOMMENDED FOR NEW DESIGNS
2 of 2

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