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产品型号88DE8020的Datasheet PDF文件预览

Marvell 88DE8020/25 Hybrid Demodulators  
Supports DVB-C/DVB-T/Analog-TV Standards  
PRODUCT OVERVIEW  
The Marvell® 88DE8020 and 88DE8025 hybrid demodulators with integrated ClearRFTM technology enable robust  
TV reception under complex signal impairment conditions in terrestrial and cable networks. The demodulators  
are compatible with typical low/high IF tuners and TV decoders. The 88DE8020 supports DVB-C/DVB-T/NTSC/  
PAL/SECAM demodulation, while the 88DE8025 supports DVB-T/NTSC/PAL/SECAM demodulation. Both devices  
can demodulate 2K and 8K COFDM modulated signals based on the ETSI specification (ETSI EN 300 744) and  
QAM modulated signals based on the DVB-C specification (ETSI EN 300 429). They can also be programmed to  
demodulate analog NTSC/PAL/SECAM TV inputs and output CVBS and Sound IF signals.  
BLOCK DIAGRAM  
To Crystal  
PLL  
DVB-C  
Demodulator  
(Not Available in DE8025)  
MPEG2-TS  
Outer  
De-Interleaving  
RS  
Decoding  
MPEG  
Formatter  
DVB-T  
Demodulator  
CVBS  
SIF  
IF  
ADC  
Common  
Front End  
IF  
Video  
Video  
From Tuner  
Processing  
DAC  
NTSC/PAL/SECAM  
Demodulator  
Audio  
Processing  
Audio  
DAC  
Analog/DTV  
Mode  
Detection  
TWSI  
Repeater  
TWSI  
Slave  
To Host  
Micro-Controller  
To Tuner  
Fig 1. Block Diagram of Marvell 88DE8020 and 88DE8025 Hybrid Demodulators  
KEY FEATURES AND BENEFITS  
FEATURES  
BENEFITS  
Low profile single chip hybrid demodulator with option to use clock  
Enables slim TV chassis with lower bill of materials. No need for multiple  
from tuner source  
chips, SAW filters, crystals and passives  
Pin-compatible with Marvell demodulators supporting other standards  
Enables TV makers to develop single worldwide multiformat decoder  
chassis with plug-and-play RF front-end  
ClearRF technology provides robust performance exceeding standard  
Good reception in challenging field conditions including:  
DVB-T requirements  
- Adjacent/co-channel interference from changing troposphere  
conditions  
-Dynamic echoes in Single Frequency Network (SFN) countries like  
Germany/Spain  
-Local noise from household appliances, light switches and ignition  
systems  
ClearRF technology provides excellent C/N performance in challenging  
Robust cable reception in DVB-C networks carrying High Definition (HD)  
DVB-C 256QAM networks  
signals  
ClearRF technology provides good picture quality even for standard  
Sharp picture and tolerance to over-modulated signals  
analog signals  
Hybrid blind scan for simultaneous detection of analog and digital  
Quick out-of-box TV setup for seamless analog, digital channel  
signals from terrestrial and cable networks  
reception  
Marvell 88DE8020/25 Hybrid Demodulators  
APPLICATIONS  
The hybrid demodulator when combined with a hybrid CAN tuner or silicon tuner can be used as a standalone front-  
end board in a variety of applications including:  
Digital Televisions (DTV)  
Digital set-top boxes, video recorders  
Network interface modules  
PC Tuner cards and sticks  
To shorten system manufacturers’ design cycles and accelerate time-to-market, Marvell provides complete DTV  
front-end development platforms and reference designs with device drivers, schematics, layout files and other  
documentation, including detailed Nordig, D-Book and E-Book test results.  
RST  
RF AGC  
SIF  
IF AGC  
MARVELL  
NB  
IF+/-  
CVBS  
DVB-T/DVB-C &  
Analog Demodulator  
88DE8020  
MPEG2-TS  
+3.3V, +1.2V  
RF IN  
Tuner Clock (4MHz)  
SCLT, SDAT  
SCL, SDA  
TD1318 Hybrid Tuner  
(DVB/PAL/SECAM)  
Tuner Power  
Supply  
Fig 2. Block Diagram of the Quartz development platform with NuTune TD1318AF hybrid tuner and Marvell 88DE8020 hybrid demodulator  
Fig 3. Picture of the Quartz development platform  
THE MARVELL ADVANTAGE: Marvell chipsets come with complete reference designs which include board layout designs, software,  
manufacturing diagnostic tools, documentation, and other items to assist customers with product evaluation and production. Marvell’s  
worldwide field application engineers collaborate closely with end customers to develop and deliver new leading-edge products for quick  
time-to-market. Marvell utilizes world-leading semiconductor foundry and packaging services to reliably deliver high-volume and low-cost  
total solutions.  
ABOUT MARVELL: Marvell is a leader in storage, communications, and consumer silicon solutions. Marvell’s diverse product portfolio includes  
switching, transceiver, communications controller, processor, wireless, power management, and storage solutions that power the entire  
communications infrastructure, including enterprise, metro, home, storage, and digital entertainment solutions. For more information, visit our  
Web site at www.marvell.com.  
Marvell Semiconductor, Inc.  
Copyright © 2009. Marvell International Ltd. All rights reserved. Marvell, Moving Forward  
Faster, the Marvell logo, Alaska, AnyVoltage, DSP Switcher, Fastwriter, Feroceon, Libertas,  
Link Street, PHYAdvantage, Prestera, TopDog, Virtual Cable Tester, Yukon, and ZJ are  
registered trademarks of Marvell or its affiliates. CarrierSpan, LinkCrypt, Powered by  
Marvell Green PFC, Qdeo, QuietVideo, Sheeva, ClearRF, TwinD, and VCT are trademarks of  
Marvell or its affiliate. All other trademarks are the property of their respective owners.  
5488 Marvell Lane  
Santa Clara, CA 95054  
Phone 408.222.2500  
www.marvell.com  
www.ClearlyQdeo.com  
88DE8020/25 -01 8/09  
配单直通车
88E1000-RJJ产品参数
型号:88E1000-RJJ
生命周期:Active
包装说明:FQFP, QFP128,.67X.93,20
Reach Compliance Code:compliant
HTS代码:8542.39.00.01
风险等级:5.74
JESD-30 代码:R-PQFP-G128
长度:20 mm
功能数量:1
端子数量:128
收发器数量:1
最高工作温度:70 °C
最低工作温度:
封装主体材料:PLASTIC/EPOXY
封装代码:FQFP
封装等效代码:QFP128,.67X.93,20
封装形状:RECTANGULAR
封装形式:FLATPACK, FINE PITCH
电源:1.5,1.8,2.5,3.3 V
认证状态:Not Qualified
座面最大高度:3.4 mm
子类别:Network Interfaces
标称供电电压:1.5 V
表面贴装:YES
技术:CMOS
电信集成电路类型:ETHERNET TRANSCEIVER
温度等级:COMMERCIAL
端子形式:GULL WING
端子节距:0.5 mm
端子位置:QUAD
宽度:14 mm
Base Number Matches:1
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