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參數(shù)資料
| 型號： | U4460BG |
| 英文描述： | Video IF Amplifier with FPLL Demodulation |
| 中文描述： | 中頻放大器視頻與FPLL解調(diào) |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 162K |
| 代理商： | U4460BG |
Preliminary Information
Rev. A1: 15.08.1995
1 (9)
The U 4460 BG is an integrated bipolar circuit for video
IF (VIF) signal processing in TV/VCR and multimedia
applications.
The circuit processes all TV video IF signals with
negative modulation (e.g. B/G standard).
Features
Active carrier generation by FPLL principle
(frequency–phase–locked–loop) for true
synchronous demodulation
Very linear video demodulation, good pulse
response and excellent intermodulation figures
VCO is operating on picture carrier frequency
Alignment–free AFC, no external reference circuit
VIF–AGC with peak sync detection
Tuner AGC with adjustable take over point
5V supply voltage; low power consumption
Relevant pinning is compatible with the
TDA 4474 /71 video–/sound IF combination
Package:
28 pin shrink–dual–inline–plastic (SDIP28)
AGC
(VIF)
Tuner
AGC
11
12
Tuner
VCO
+
phase shift
AFC
Supply
VCO
21
22
19
Loop
filter
Offset
comp.
(optional)
27
FPLL
0
°
90
°
VIF amp
5
VIF
C
AGC
Take over point
23
13
3,8,17
V
C
Ref
AFC
Video
Video det.
20
AFC
switch
95 9815
Figure 1. Block diagram
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相關代理商/技術參數(shù) |
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|---|---|
| U4460BG-D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Video Receiver Circuit |
| U4460BG-M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Video Receiver Circuit |
| U4462B-BFLG3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Sound and Video Receiver Circuit |
| U4462B-BSD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Sound and Video Receiver Circuit |
| U4468B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Quasi-split Sound Circuit and AM Demodulator IC |
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