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參數(shù)資料
| 型號(hào)： | MC44BS373CAFCR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 5/52頁 |
| 文件大小： | 0K |
| 描述： | IC MODULATOR AUD/VID U/V 20-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | NTSC/PAL 調(diào)制器 |
| 應(yīng)用： | 音頻/視頻，VCR，機(jī)頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-VQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-QFN 裸露焊盤（5x5） |
| 包裝： | 帶卷 (TR) |
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MC44BS373CA Data Sheet
Modulator High-Frequency Characteristics
11 Modulator High-Frequency Characteristics
Each of the characteristics listed in Table 20 is classified as one of the following types:
A—100% tested
B—100% correlation tested
C—Characterized on samples
D—Design parameter
See Section 14, “Characterization Measurement Conditions,” for each C-type parameter.
Unless otherwise stated, VCC = 5.0V, ambient temperature = 25°C, and video input is 1 Vp-p, with 10-step
grey scale and RF output into 75-
load.
NOTE
Specifications only valid for envelope demodulation.
Table 20. High-Frequency Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Type Notes
TVOUT output level
Output signal from modulator section
79
82
85
dB
VB
1, 2
UHF oscillator frequency
—
460
—
880
MHz
A
VHF range
From UHF oscillator internally divided
45
—
460
MHz
B
TVOUT output attenuation
During transient output inhibit, or when
ATT bit is set to 1
65
75
—
dBc
B
1, 2
Sound subcarrier harmonics
(Fp
+ n × Fs)
Reference picture carrier
50
63
—
dBc
C
1
Second harmonic of chroma
subcarrier
Using red EBU bar
45
70
—
dBc
C
1
Chroma/sound intermodulation:
Fp
+ (Fsnd – Fchr)
Using red EBU bar
65
82
—
dBc
C
1
Fo (picture carrier) harmonics
2nd harmonic: CH21
—
38
50
dB
VC
1,3
3rd harmonic: CH21
—
58
70
Other channels
—
2
Out-of-band (picture carrier)
spurious
1/2
× Fo – 1/4 × Fo – 3/2 × Fo – 3/4 ×
Fo
From 40 MHz to 1 GHz.
——
10
dB
VC
1
In-band spurious (Fo at 5 MHz)
No video sound modulation.
65
75
—
dBc
C
1
Notes:
2. See Figure 3.
3. Picture carrier harmonics are highly dependent on PCB layout and decoupling capacitors.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44BS373CAR2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator |
| MC44BS373CR2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator |
| MC44BS374 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MC44BS374 |
| MC44BS374CA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SO16NB Package |
| MC44BS374CAD | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:CMOS Audio/Video RF Modulators |
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