參數(shù)資料
型號: TDA9181T
廠商: NXP SEMICONDUCTORS
元件分類: 信號分離
英文描述: Integrated multistandard comb filter
中文描述: Y/C SEPARATOR IC, PDSO16
封裝: 7.50 MM, PLASTIC, MS-013, SOT162-1, SOP-16
文件頁數(shù): 13/32頁
文件大小: 135K
代理商: TDA9181T
2000 Nov 22
13
Philips Semiconductors
Objective specification
Integrated multistandard comb filter
TDA9181
Notes
1.
2.
The pulse should fall inside the line-blanking interval, after the rising edge of the synchronizing pulse.
f
SC
= colour subcarrier frequency; f
SC
= 4.43361875 MHz for the PAL B, G, H, D and I systems;
f
SC
= 3.57561149 MHz for the PAL M system; f
SC
= 3.58205625 MHz for the PAL N system; f
SC
= 3.579545 MHz for
the NTSC M system.
For PAL B, G, H, D and I: with respect to 567.5 colour subcarrier periods (equals 128.00
μ
s) due to 2H delay in the
comb filter. For PAL M: with respect to 454.5 colour subcarrier periods (equals 127.11
μ
s) due to 2H delay in the
comb filter. For PAL N: with respect to 458.5 colour subcarrier periods (equals 128.00
μ
s) due to 2H delay in the
comb filter. For NTSC M: with respect to 227.5 colour subcarrier periods (equals 63.556
μ
s) due to 1H delay in the
comb filter.
With respect to the voltage level during clamping.
Test signal for PAL B, G, H, D, I and N: CCIR-18 multi-burst (see Fig.4). For PAL M and NTSC M: 100% amplitude
FCC multi-burst (see Fig.5).
Test signal for PAL B, G, H, D, I and N: 100/0/75/0 EBU colour bar. For PAL M and NTSC M: 100% white 75%
amplitude FCC colour bar.
3.
4.
5.
6.
handbook, full pagewidth
MGT521
(V)
0.5
1.0
2.0
3.8
4.8
5.8
MHz
1
0
0.30
0.15
0.44
0.45
0.65
0.86
Fig.4 CCIR-18 multi-burst.
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