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參數(shù)資料
| 型號(hào)： | NTE844 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Single Chip TV Chroma/Luminance Processor |
| 中文描述： | 集成電路單芯片電視色度/亮度處理器 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 21K |
| 代理商： | NTE844 |
NTE844
Integrated Circuit
Single Chip TV Chroma/Luminance Processor
Description:
The NTE844 is an integrated circuit in a 28–Lead DIP type package and contains all the required cir-
cuits functions between the video detector and the picture tube RGB driver stages of a color television
receiver. The NTE844 decodes the chrominance signals and then produces three different color sig-
nals that are internally combined with the luminance to develop the RGB signals. The picture satura-
tion, hue and brightness DC controls are externally adjustable. The AFPC, ACC, Dynamic flesh con-
trol, Beam limiting and Gate black level (Brightness)control are servo loops used to stabilize the RGB
output and reduce frequent manual adjustment. The automatic beam limiter circuit reduces picture
contrast and brightness to prevent excessive drive output at the picture tube.
Features:
All chroma processing and demodulating circuitry on a single chip.
Phase–locked subcarrier regeneration utilizing sample–and–hold techniques.
Supplementary ACC with overload detector
Linear DC controls for chroma gain and tint
Dynamic “flesh correction”
Balanced chroma demodulators with low output impedance for direct coupling
Internal RF filtering
Few external components
Automatic beam limiter
Chroma luminance tracking picture control
Absolute Maximum Ratings:
DC Supply Voltage Between Pin23 and Pin8
Device Dissipation (Up to T
A
= +55
°
C), P
D
Derate Above T
A
= +55
°
C
Operating Ambient Temperature Range, T
opr
Storage Temperature Range, T
stg
Lead Temperature (During Soldering, 1/16” from case, 10sec max), T
L
14.0V
1.27W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.3mW/
°
C
–40
°
to +85
°
C
–65
°
to +150
°
C
+265
°
C
. . . . . . . . . . . . . . . . .
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NTE8448 | 制造商:NTE Electronics 功能描述: |
| NTE845 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| NTE846 | 制造商:NTE Electronics 功能描述:IC, VIDEO PROCESO; Video Processor Application:Colour Television Receivers; Supply Voltage Min:12V; Supply Voltage Max:18V; Power Dissipation Pd:1.39W; IC Mounting:Through Hole; TV / Video Case Style:DIP; No. of Pins:18 制造商:NTE Electronics 功能描述:TV Video Modulator 18-Pin PDIP |
| NTE849 | 制造商:NTE 制造商全稱:NTE Electronics 功能描述:Integrated Circuit TV Horizontal/Vertical Countdown Digital Sync System |
| NTE85 | 制造商:NTE Electronics 功能描述:T-NPN SI GENERAL PURP AMP 制造商:NTE Electronics 功能描述:Bulk 制造商:NTE Electronics 功能描述:BIPOLAR TRANSISTOR NPN 30V TO-92 制造商:NTE Electronics 功能描述:BIPOLAR TRANSISTOR, NPN, 30V, 500mA, TO- 制造商:NTE Electronics 功能描述:T-NPN-SI GENERAL PURP AMP 制造商:NTE Electronics 功能描述:BIPOLAR TRANSISTOR, NPN, 30V, 500mA, TO-92; Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:30V; Transition Frequency Typ ft:100MHz; Power Dissipation Pd:625mW; DC Collector Current:500mA; DC Current Gain hFE:300 ;RoHS Compliant: Yes 制造商:NTE Electronics 功能描述:Trans GP BJT NPN 30V 0.5A 3-Pin |
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