參數(shù)資料
型號(hào)： ADV7183BKSTZ
廠商： Analog Devices Inc
文件頁數(shù)： 23/100頁
文件大?。?/td> 0K
描述： IC VIDEO DECODER NTSC 80-LQFP
產(chǎn)品培訓(xùn)模塊： Interfacing AV Converters to Blackfin Processors
標(biāo)準(zhǔn)包裝： 1
類型： 視頻解碼器
應(yīng)用： 投影儀，錄音機(jī)，安全
電壓 - 電源，模擬： 3.15 V ~ 3.45 V
電壓 - 電源，數(shù)字： 1.65 V ~ 2 V
安裝類型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（14x14）
包裝： 托盤
產(chǎn)品目錄頁面： 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 29 of 100
The filter plots in
180H
Figure 12 show the S-VHS 1 (narrowest) to
S-VHS 18 (widest) shaping filter settings.
181H
Figure 14 shows the
PAL notch filter responses. The NTSC-compatible notches are
shown in
182H
Figure 15.
0
–10
–20
–30
–40
–50
–60
–70
010
8
6
4
212
FREQUENCY (MHz)
COMBINED Y ANTIALIAS, S-VHS LOW-PASS FILTERS,
Y RESAMPLE
AMP
LITUDE
(dB)
04997
-012
Figure 12. Y S-VHS Combined Responses
0
–20
–40
–60
–80
–100
–120
010
8
6
4
212
FREQUENCY (MHz)
AMP
L
ITUDE
(dB)
COMBINED Y ANTIALIAS, CCIR MODE SHAPING FILTER,
Y RESAMPLE
04997
-013
Figure 13. Y S-VHS 18 Extra Wideband Filter (CCIR 601 Compliant)
0
–10
–20
–30
–40
–50
–60
–70
010
8
6
4
212
FREQUENCY (MHz)
COMBINED Y ANTIALIAS, PAL NOTCH FILTERS,
Y RESAMPLE
AMP
LITUDE
(dB)
04997-014
Figure 14. PAL Notch Filter Response
0
–10
–20
–30
–40
–50
–60
–70
010
8
6
4
212
FREQUENCY (MHz)
COMBINED Y ANTIALIAS, NTSC NOTCH FILTERS,
Y RESAMPLE
A
M
PLITU
D
E
(
d
B
)
04997-015
Figure 15. NTSC Notch Filter Response
CHROMA FILTER
Data from the digital fine clamp block is processed by three sets
of filters. The data format at this point is CVBS for CVBS inputs,
chroma only for Y/C, or U/V interleaved for YPrPb input
formats.
Chroma Antialias Filter (CAA). The ADV7183B over-
samples the CVBS by a factor of 2 and the Chroma/PrPb
by a factor of 4. A decimating filter (CAA) is used to
preserve the active video band and to remove any out-of-
band components. The CAA filter has a fixed response.
Chroma Shaping Filters (CSH). The shaping filter block
(CSH) can be programmed to perform a variety of low-
pass responses. It can be used to selectively reduce the
bandwidth of the chroma signal for scaling or
compression.
Digital Resampling Filter. This block is used to allow
dynamic resampling of the video signal to alter parameters
such as the time base of a line of video. Fundamentally, the
resampler is a set of low-pass filters. The actual response is
chosen by the system without user intervention.
The plots in
183H
Figure 16 show the overall response of all filters
together.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7183KST 制造商:Analog Devices 功能描述:Video Decoder 2ADC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:VIDEO DECODER I.C. - Bulk
ADV7184 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder with Fast Switch Overlay Support
ADV7184BSTZ 功能描述:IC DECODER VID SDTV MULTI 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
ADV7185 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output
ADV7185KST 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output
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