参数资料
型号: MC44BS374T1AEF
厂商: Freescale Semiconductor
文件页数: 5/34页
文件大小: 0K
描述: IC AUDIO/VIDEO MODULATOR 16-SOIC
标准包装: 48
类型: NTSC/PAL 调制器
应用: 音频/视频,VCR,机顶盒
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
Video Characteristics
MC44BS374T1/374T1A Advance Information
13 Video Characteristics
Unless otherwise stated: Vcc=5.0V, Ambient Temperature=25
o C, Video Input 1V
p-p, 10-step grayscale.
RF output into 75Ohm load.
Note:
Specifications only valid for envelope demodulation.
Table 5. Video Performance Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
Video bandwidth
Reference 0dB at 100kHz,
measured at 5MHz. See Note 2
-1.5
-0.8
-
dB
C
Video input level
75Ohm load
-
1.5
Vcvbs
D
Video input current
-
0.2
1
A
Video input impedance
500
-
K
A
Peak White Clip
Video Modulation depth for
video=1.4VCVBS
90.5
94
97.5
%
B
Video S/N for the
MC44BS374T1A
No sound modulation,100% white video
Using CCIR Rec.567 weighting filter
See Figure 5. See Note 2
53
56
-
dB
C
Unweighted. See Note 2
48
53
-
C
Video S/N for the
MC44BS374T1
No sound modulation,100% white video
Using CCIR Rec.567 weighting filter
See Figure 5. See Note 2
53
56
-
dB
C
Unweighted. See Note 2
48
53
-
C
Differential Phase
CCIR Test Line 330, See Note 2
-5
-
5
deg
C
Differential Gain
CCIR Test Line 330, See Note 2
-5
-
5
%
C
Luma/Sync ratio
Input ratio 7.0:3.0
6.8/
3.2
7.0/
3.0
7.2/
2.8
-
B
Video modulation depth
See Figure 5. See Note 2
76
82
88
%
B
Note:
Video Signal to Noise
(w ith CCIR Weighting filter)
48
50
52
54
56
58
60
62
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dB
Minimum specification
Typical
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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