參數(shù)資料
型號： ISL59604IRZ
廠商： INTERSIL CORP
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC20
封裝： 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-20
文件頁數(shù)： 13/27頁
文件大小： 4194K
代理商： ISL59604IRZ
ISL59601, ISL59602, ISL59603, ISL59604, ISL59605
20
FN6739.1
November 23, 2010
Functional Description
MegaQ Overview
MegaQ is a fully automated, stand-alone equalizer for
composite video transmitted over UTP (Unshielded
Twisted Pair, i.e. Cat 5, Cat 6, etc.) or coaxial (RG-59)
cables.
Differential video signals sent over long distances of
twisted pair wire exhibit large high frequency
attenuation, resulting in loss of high frequency
detail/blurring. The exact loss characteristic is a complex
function of wire gauge, length, composition, and coupling
to adjacent conductors.
The video signal can be restored by applying a filter with
the exact inverse transfer function to the far end signal.
MegaQ is designed to compensate for the losses due to
long cables, and incorporates the functionality and
flexibility to match a wide variety of cable types and loss
characteristics.
While MegaQ was designed and optimized for
stand-alone operation, with no need for any external
control of any kind, it has an optional SPI serial interface
with some additional features. See “Additional
on page 23 for more information on the features and
operation of the serial interface.
Equalization for Various Cable Types
TABLE 1. CABLE TYPES AND LENGTHS
CABLE TYPE
MAXIMUM
LENGTH SUPPORTED
Copper-Core
CAT5/CAT5e
5300 feet
CAT6
5600 feet
Coaxial - RG-59
6000 feet
CAT2/CAT3
(telephone wire)
3000 feet
Belden IMSA Spec 39-2 581718
(3-pair traffic light cable)
5300 feet
Non-Copper-Core*
CAT5/CAT5e CCA
(Copper-Coated Aluminum Core)
2000 feet
Coaxial - RG-59 CCS
(Copper-Coated Steel Core)
1500 feet
*Image quality will be significantly improved over
unequalized cable, but there will still be some image smearing
due to the high resistance of the core material.
75.0
SD
SEN
SCK
IN-
GND
IN+
OUT
CFB
VREF
1.0μF
49.9
0.47μF
DIFFERENTIAL
VIDEO INPUT+
SERIAL
INTERFACE
(OPTIONAL)
DIFFERENTIAL
VIDEO INPUT-
0.022μF
4.7μF
INTERNALLY
GENERATED
1k
+5V
300
INVERT
EQ_DISABLE
COLOR
LOCKED
FREEZE
1.0μF
49.9
ISL59601
ISL59602
ISL59603
ISL59604
ISL59605
OPTIONAL FERRITE BEAD –
~1kΩ AT 100MHz,
VIDEO OUT
~105mA DC CURRENT
1500pF
FREEZES EQ ONCE LOCK IS ACHIEVED
VDD1
VDD2
FIGURE 45. APPLICATION CIRCUIT FOR UTP CABLE
C1
C2
R1
R2
R3
FB1
C4
C5
C6
R5
R6
0.1μF
C9
C7
0.1μF
C8
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相關代理商/技術參數(shù)
參數(shù)描述
ISL59604IRZ-T7 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:MegaQ™ 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
ISL59604IRZ-T7A 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:MegaQ™ 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
ISL59605IRZ 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:MegaQ™ 標準包裝:250 系列:- 類型:電平移位器 應用:LCD 電視機/監(jiān)控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤 供應商設備封裝:28-WQFN（4x4）裸露焊盤 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND
ISL59605IRZ-EVALZ 功能描述:EVALUATION BOARD FOR ISL5960X RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:MegaQ™ 標準包裝:1 系列:- 主要目的:數(shù)字電位器 嵌入式:- 已用 IC / 零件:AD5258 主要屬性:- 次要屬性:- 已供物品:板 相關產品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP
ISL59605IRZ-T7 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:MegaQ™ 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
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