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參數資料
| 型號： | ADV7393BCPZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| 中文描述： | COLOR SIGNAL ENCODER, QCC40 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD-2, LFSCP-40 |
| 文件頁數： | 49/96頁 |
| 文件大小： | 1209K |
| 代理商： | ADV7393BCPZ |
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ADV7390/ADV7391/ADV7392/ADV7393
FILTERS
Table 38 shows an overview of the programmable filters
available on the ADV739x.
Rev. 0 | Page 49 of 96
Table 38. Selectable Filters
Filter
SD Luma LPF NTSC
SD Luma LPF PAL
SD Luma Notch NTSC
SD Luma Notch PAL
SD Luma SSAF
SD Luma CIF
SD Luma QCIF
SD Chroma 0.65 MHz
SD Chroma 1.0 MHz
SD Chroma 1.3 MHz
SD Chroma 2.0 MHz
SD Chroma 3.0 MHz
SD Chroma CIF
SD Chroma QCIF
SD PrPb SSAF
ED/HD Sinc Compensation Filter
ED/HD Chroma SSAF
SD Internal Filter Response
Subaddress 0x80, Bits[7:2]; Subaddress 0x82, Bit 0
The Y filter supports several different frequency responses,
including two low-pass responses, two notch responses, an
extended (SSAF) response with or without gain boost
attenuation, a CIF response, and a QCIF response. The PrPb
filter supports several different frequency responses, including
six low-pass responses, a CIF response, and a QCIF response, as
shown in Figure 36 and Figure 37.
If SD Luma SSAF gain is enabled (Subaddress 0x87, Bit 4), there
are 13 response options in the range 4 dB to +4 dB. The desired
response can be programmed using Subaddress 0xA2. The
variation of frequency responses are shown in Figure 33 to
Figure 35.
In addition to the chroma filters listed in Table 38, the ADV739x
contains an SSAF filter specifically designed for the color difference
component outputs, Pr and Pb. This filter has a cutoff frequency
of ~2.7 MHz and a gain of –40 dB at 3.8 MHz (see Figure 67).
This filter can be controlled with Subaddress 0x82, Bit 0.
Subaddress
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x80
0x82
0x33
0x33
FREQUENCY (MHz)
0
G
–10
–30
–50
–60
–20
–40
6
5
4
3
2
1
0
EXTENDED (SSAF) PrPb FILTER MODE
0
Figure 67. PrPb SSAF Filter
If this filter is disabled, one of the chroma filters shown in
Table 39 can be selected and used for the CVBS or luma/
chroma signal.
Table 39. Internal Filter Specifications
Filter
Luma LPF NTSC
Luma LPF PAL
Luma Notch NTSC
Luma Notch PAL
Luma SSAF
Luma CIF
Luma QCIF
Chroma 0.65 MHz
Chroma 1.0 MHz
Chroma 1.3 MHz
Chroma 2.0 MHz
Chroma 3.0 MHz
Chroma CIF
Chroma QCIF
Pass-Band
Ripple (dB)
1
0.16
0.1
0.09
0.1
0.04
0.127
Monotonic
Monotonic
Monotonic
0.09
0.048
Monotonic
Monotonic
Monotonic
3 dB Bandwidth (MHz)
2
4.24
4.81
2.3/4.9/6.6
3.1/5.6/6.4
6.45
3.02
1.5
0.65
1
1.395
2.2
3.2
0.65
0.5
1
Pass-band ripple is the maximum fluctuation from the 0 dB response in the
pass band, measured in dB. The pass band is defined to have 0 Hz to fc (Hz)
frequency limits for a low-pass filter, and 0 Hz to f1 (Hz) and f2 (Hz) to infinity
for a notch filter, where fc, f1, and f2 are the 3 dB points.
2
3 dB bandwidth refers to the 3 dB cutoff frequency.
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| ADV7393BCPZ-REEL | 功能描述:IC DAC ENCODER VID HDTV 40-LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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| ADV7393WBCPZ-REEL | 制造商:Analog Devices 功能描述:LOW POWER, CHIP SCALE 10-BIT SD/HD VIDEO ENCODER - Tape and Reel |
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