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參數(shù)資料
| 型號(hào)： | LT1675 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 250MHz, Triple RGB Multiplexer with Current Feedback Amplifiers(250MHz,三路RGB多路轉(zhuǎn)換器（帶電流反饋放大器）) |
| 中文描述： | 250MHz的，三重的RGB多路復(fù)用器與電流反饋放大器（250MHz下，三路的RGB多路轉(zhuǎn)換器（帶電流反饋放大器）） |
| 文件頁(yè)數(shù)： | 16/16頁(yè) |
| 文件大?。?/td> | 256K |
| 代理商： | LT1675 |
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16
LT1675/LT1675-1
16751fa LT/TP 1000 2K REV A PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
TYPICAL APPLICATIO
N
U
RELATED PARTS
PART NUMBER
LT1203/LT1205
LT1204
LT1260
DESCRIPTION
150MHz Video MUX
4-Input Video MUX with 75MHz Current Feedback Amp
Low Cost Dual and Triple 130MHz Current Feedback Amp
with Shutdown
Low Cost Dual and Triple 300MHz Current Feedback Amp
with Shutdown
COMMENTS
2-Input and 4-Input, 90dB Channel Separation, Wide Supply Range
Drives Cables, Adjustable Gain, 90dB Channel Separation
Drives Cables, Wide Supply Range, 0
μ
A Shutdown Current
LT1398/LT1399
Performance Upgrade for the LT1259/LT1260
NTSC-Related Color Bar Generator
QA
QB
QC
CLK
CLR
LOAD
ENP
5V
ENT
A
5V
CLOCK IS
SUBCARRIER
×
4
DIVIDED BY 91
OR 157.343kHz
B
C
D
75
75
75
75
CABLE
CABLE
CABLE
V
+
V
–
SELECT
1675 TA04
ENABLE
COMPOSITE
SYNC
COMPOSITE
BLANKING
1k
1k
1k
V
OUT BLUE
75
LT1675
75
V
OUT RED
V
OUT GREEN
+1
+1
+2
+2
+2
+1
+1
+1
+1
6.04k
6.04k
R
6.04k
B
G
640
10k
–5V
–0.285V
74ACT04
74LS163
W
Y
C
G
M
R
B
B
0
B
0.714V
0
R
0.714V
0
G
0.714V
An RGB color bar test pattern is easily generated by
dividing down a suitable clock. To form a stable pattern,
the clock must be synchronous with the horizontal scan
rate. Four times subcarrier, or 14.318MHz, is a readily
available frequency, which when divided by 91, gives
157.343KHz. Dividing this signal by two, four and eight,
gives the blue, read and green signals, respectively. This
timing gives eight bars including white and black that fill
the 52.6
μ
s active video time. The digital signals are run
through a 74ACT04 inverter because the CMOS output
swings rail-to-rail. The inverter output is scaled to make
video (0.714V peak, for NTSC-related RGB). The LT1675
drives the cable and adds sync to the RGB signals by
switching in –0.286V. If no sync is required, this voltage
can be set to zero and composite blanking can be used to
drive the select pin of the LT1675 in order to provide a
more precise blanking level.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1675-1 | 250MHz, Single RGB Multiplexer with Current Feedback Amplifiers(250MHz,單路RGB多路轉(zhuǎn)換器（帶電流反饋放大器）) |
| LT1676 | Wide Input Range, High Efficiency, Step-Down Switching Regulator(寬輸入范圍，高效率，步降開(kāi)關(guān)穩(wěn)壓器) |
| LT1677 | Low Noise, Rail-to-Rail Precision Op Amp(低噪聲，滿幅度輸入和輸出精密運(yùn)算放大器) |
| LT1684 | Micropower Ring Tone Generator |
| LT1684CN | Micropower Ring Tone Generator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1675-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers |
| LT1675CGN | 功能描述:IC MUX RGB HISPEED TRIPLE 16SSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| LT1675CGN#PBF | 功能描述:IC MUX RGB HISPEED TRIPLE 16SSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:電平移位器 應(yīng)用:LCD 電視機(jī)/監(jiān)控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:28-WQFN（4x4）裸露焊盤(pán) 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND |
| LT1675CGN#TR | 功能描述:IC MUX RGB TRIPLE 250MHZ 16SSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| LT1675CGN#TRPBF | 功能描述:IC MUX RGB HISPEED TRIPLE 16SSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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