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參數資料
| 型號： | MM1327XD |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Wide Discriminator Monolithic IC |
| 中文描述： | 寬鑒別單片集成電路 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 141K |
| 代理商： | MM1327XD |
MITSUMI
Wide Discriminator MM1327
Wide Discriminator
Monolithic IC MM1327
Outline
This IC identifies the letter box portion of wide broadcast, etc. video signals. The luminance and chroma
signals are used so that the rate of identification on dark screens is increased. Output is the total of 6bit ADC
data and character signal, etc. white peak signal discriminator bit, for 7bit data output.
In addition, an EDTV2 simple discrimination function is built-in.
Features
1. Signal level discrimination using composite luminance and chroma signal
2. Discrimination of video signal within horizontal scanning interval can be done every scan due to integrated
output
3. Built-in white peak detection circuit for subtitles
4. Built-in EDTV2 simple discrimination function
5. 22H discrimination output (COMB-THROUGH) circuit built-in
6. Built-in window limiter circuit
7. Data output is 7bit serial output format : 6bit ADC + peak detection
8. Operates on +5V single power supply
Package
SDIP-30
Applications
Wide TV
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