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參數(shù)資料
| 型號： | MC44BC374EJBR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 2/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MODULATOR ANT BOOSTER 24TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 調(diào)制器 |
| 應(yīng)用： | 機(jī)頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 帶卷 (TR) |
MC44BC373/374 Technical Data
Video Characteristics
9 Video Characteristics
Unless otherwise stated: Vcc=5.0V, Ambient Temperature=25
o C, Video Input 1V
p-p, 10-step
grayscale. RF inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE
DEMODULATION.
Figure 4. Typical Performance—Video
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
Video bandwidth
Reference 0dB at 100kHz,
measured at 5MHz.
–1.5
–0.8
—
dB
C
Video input level
75Ohm load.
——
1.5Vcvbs
D
Video input current
——
0.21
A
Video input impedance
—
500
——
K
A
Peak White Clip
PWC bit set to 1, see PWC section.
110
114
118
%
A
Video S/N
See Figure 4.
50
53
—
dB
C
Differential Phase
See Figure 4.
–5
—
5
deg
C
Differential Gain
On line CCIR 310, worst of first 4 out
of 5 steps. See Figure 4.
–5
—
5%
C
Luma/Sync ratio
Input ratio 7.0: 3.06.8/3.2
—
7.2/ 2.8
—
B
PAL video modulation depth
—
75
81
88
%
B
SECAM video modulation depth
—
88
93
99
%
B
V ide o Signal to Nois e
48
50
52
54
56
58
471
521 571
621 671
721 771
821 871
Fre que ncy (M hz)
dB
PA L V ide o M od ulation De p t h
74
76
78
80
82
84
86
88
90
471 521 571 621 671 721 771 821 871
Fr e q ue n cy (M hz )
%
SEC A M V id e o M odulatio n De pth
86
88
90
92
94
96
98
100
471 521 571 621 671 721 771 821 871
Fr e que ncy ( M hz)
%
Typical
Minimum specification
Maximum specification
Minimum specification
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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