參數資料
型號: ADV7312
廠商: Analog Devices, Inc.
英文描述: Multiformat 11-Bit HDTV Video Encoder
中文描述: 多格式11位高清晰度電視視頻編碼器
文件頁數: 56/84頁
文件大小: 975K
代理商: ADV7312
REV. 0
–56–
ADV7312
560
3
4
1
6.8pF
600
6.8pF
600
DAC
OUTPUT
75
BNC
OUTPUT
4.7 H
560
Figure 56. Example of Output Filter for PS,
8
×
Oversampling
82pF
33pF
75
DAC
OUTPUT
220nH
470nH
500
3
4
1
BNC
OUTPUT
500
300
3
4
1
75
Figure 57. Example of Output Filter for HDTV,
2
×
Oversampling
Table XVII. Possible Output Rates From the ADV7312
Input Mode
Address 01h, Bit 6–4
PLL
Address 00h, Bit 1
Output
Rate (MHz)
27 (2
×
)
216 (16
×
)
27 (1
×
)
216 (8
×
)
74.25 (1
×
)
148.5 (2
×
)
SD Only
Off
On
PS Only
Off
On
HDTV Only
Off
On
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
1M
10M
100M
1G
FREQUENCY (Hz)
CIRCUIT FREQUENCY RESPONSE
MAGNITUDE (dB)
GROUP DELAY (Sec)
PHASE (Deg)
G
320
240
160
80
0
–80
–160
–240
480
400
14n
12n
10n
8n
6n
4n
2n
0
18n
16n
Figure 58. Filter Plot for Output Filter for PS,
8
×
Oversampling
0
–10
–20
–30
–40
–50
–60
480
360
240
120
0
–120
–240
18n
15n
12n
9n
6n
3n
0
1M
10M
100M
1G
FREQUENCY (Hz)
CIRCUIT FREQUENCY RESPONSE
GROUP DELAY (sec)
PHASE (Deg)
MAGNITUDE (dB)
G
Figure 59. Filter Plot for Output Filter for HDTV,
2
×
Oversampling
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