參數(shù)資料
型號: MC44BS374T1EF
廠商: Freescale Semiconductor
文件頁數(shù): 4/34頁
文件大?。?/td> 0K
描述: IC AUDIO/VIDEO MODULATOR 16-SOIC
標準包裝: 48
類型: NTSC/PAL 調制器
應用: 音頻/視頻,VCR,機頂盒
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 16-SOIC N
包裝: 管件
MC44BS374T1/374T1A Advance Information
MC44BS374T1 High Frequency Characteristics
Figure 4. Typical High Frequency Performance
Sound subcarrier harmonics
(Fp
+nFs)
Reference picture carrier. See Note 2
50
63
-
dBc
C
Second harmonic of chroma
subcarrier
Using red EBU bar. See Note 2
45
70
-
dBc
C
Chroma/Sound intermodulation:
Fp
+ (Fsnd - Fchr)
Using red EBU bar.See Note 2
65
82
-
dBc
C
Fo (picture carrier) harmonics
2nd harmonic: CH21
3rd harmonic: CH21
Other channels: See Figure 3.
See NOTE 1. See Note 2
-
32
52
46
64
dB
V
C
Out band (picture carrier)
spurious
1/2
Fo - 1/4Fo - 3/2Fo - 3/4Fo
From 40MHz to 1GHz. See Note 2
-
4
dB
V
C
In band spurious (Fo @5MHz)
No video sound modulation.See Note
2
65
75
-
dBc
C
Note:
1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
Note:
Table 4. High Frequency Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
TV Output Level
77
79
81
83
85
87
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dBuV
TV Output Attenuation
55
60
65
70
75
80
85
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dBc
3Fo Harm onics
35
40
45
50
55
60
65
70
75
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dBuV
2Fo Harm onics
35
40
45
50
55
60
65
70
75
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dBuV
Maximum specification
Minimum specification
Maximum specification
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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