欢迎访问ic37.com |
会员登录 免费注册
发布采购

SAA7114H 参数 Datasheet PDF下载

SAA7114H图片预览
型号: SAA7114H
PDF下载: 下载PDF文件 查看货源
内容描述: PAL / NTSC / SECAM视频解码器具有自适应PAL / NTSC梳状滤波器, VBI数据限幅器和高性能的定标器 [PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC combfilter, VBI-data slicer and high performance scaler]
分类和应用: 解码器转换器色度信号转换器消费电路商用集成电路
文件页数/大小: 140 页 / 549 K
品牌: NXP [ NXP ]
 浏览型号SAA7114H的Datasheet PDF文件第9页浏览型号SAA7114H的Datasheet PDF文件第10页浏览型号SAA7114H的Datasheet PDF文件第11页浏览型号SAA7114H的Datasheet PDF文件第12页浏览型号SAA7114H的Datasheet PDF文件第14页浏览型号SAA7114H的Datasheet PDF文件第15页浏览型号SAA7114H的Datasheet PDF文件第16页浏览型号SAA7114H的Datasheet PDF文件第17页  
Philips Semiconductors  
Preliminary specification  
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC  
comb filter, VBI-data slicer and high performance scaler  
SAA7114H  
8
FUNCTIONAL DESCRIPTION  
Decoder  
8.1.2  
ANALOG CONTROL CIRCUITS  
8.1  
The anti-alias filters are adapted to the line-locked clock  
frequency via a filter control circuit. The characteristics are  
shown in Fig.3. During the vertical blanking period, gain  
and clamping control are frozen.  
8.1.1  
ANALOG INPUT PROCESSING  
The SAA7114H offers six analog signal inputs, two analog  
main channels with source switch, clamp circuit, analog  
amplifier, anti-alias filter and video 9-bit CMOS ADC;  
see Fig.6.  
MGD138  
6
V
(dB)  
0
6  
12  
18  
24  
30  
36  
42  
0
2
4
6
8
10  
12  
14  
f (MHz)  
Fig.3 Anti-alias filter.  
2000 Mar 15  
13  
 复制成功!