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| 型号： | MC44BS374CAEFR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 10/34页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO/VIDEO MODULATOR 16-SOIC |
| 标准包装： | 1 |
| 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： | 剪切带 (CT) |
| 其它名称： | MC44BS374CAEFR2CT |
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MC44BS374CA Technical data
Characterization Measurement Conditions
Video Differential Gain
Video: 5 step Grey Scale- 1Vpk-pk.
No Audio signal
This is measured using a Rohde &
Schwarz AMFS UHF Demodulator in B/G
(using a CCIR Rec. 567 weighting
network, 100kHz to 5MHz band with
sound trap and envelope detection, and a
Rohde & Schwarz UAF Video Analyzer.
On line CCIR 330 shown below, the video analyzer DG measure
consists of calculating the difference of the Chroma amplitude at the
black level and the different amplitudes at each step of the greyscale.
The largest positive or negative difference indicates the distortion.
The video analyzer method takes the worst step from the first 4 steps.
Video Modulation Depth
No Audio signal
Video: 10 step grey scale
This is measured using a HP8596E Spectrum Analyzer with a TV
Trigger option, allowing demodulation and triggering on any specified
TV Line. The analyzer is centred on the maximum peak of the Video
signal and reduced to zero Hertz span in Linear mode to demodulate
the Video carrier.
The Modulation Depth is calculated as (A-B)/A x 100 in%
Picture to Sound ratio
No Video signal
No Audio Signal
PS” bit set to 0 and 1
Measure in dBc sound carrier in reference to picture carrier
(TVout_Ref) for PS” bit=0 (PS=12dB typical) and for PS” bit=1
(PS=16dB),
Table 6. Measurement Conditions
Device and Signals Set-up
Measurement Set-up
0
1
2
3
4
5
5-step Greyscale with Chroma subcarrier superimposed
(not to scale), line CCIR 330.
DIFF GAIN
=
* 100%
the amplitude at position 0
the largest positive or negative difference
A ( 6-10mV)
B (0.6 - 3mV)
TV Line Demodulated by Spectrum Analyzer-BG standard
A(mV)
B(mV)
Picture carrier
Sound carrier
+5.5Mhz
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC44BS374T1 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PLL Tuned UHF and VHF Audio/Video High Integration Modulator |
| MC44BS374T1A | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PLL Tuned UHF and VHF Audio/Video High Integration Modulator |
| MC44BS374T1AD | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:CMOS Audio/Video RF Modulators |
| MC44BS374T1AD-R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PLL Tuned UHF and VHF Audio/Video High Integration Modulator |
| MC44BS374T1AEF | 功能描述:IC AUDIO/VIDEO MODULATOR 16-SOIC RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装 |
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