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| 型号： | MC44BS374T1EF |
| 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： | 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 |
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MC44BS374T1/374T1A Advance Information
Characterization Measurement Conditions
Video Bandwidth
No audio
Video: 600mVpp sinusoidal signal
inserted on the black level of active video
area.
The Video signal is demodulated on the spectrum analyzer, and the
peak level of the 100KHz signal is measured as a reference. The
frequency is then swept from 100KHz to 5MHz, and then the difference
in dB from the 100KHz reference level is measured.
Weighted Video Signal to Noise
Video: 100% White video signal - 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.
The Video Analyzer measures the ratio between the amplitude of the
active area of the video signal (700mV) and the noise level in Vrms on
a video black level which is show below.
VideoS/N is calculated as 20 x log(700 /N) in dB.
Unweighted Video Signal to Noise
Same as above with CCIR filter disabled.
Same as above.
Video Differential Phase
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, the video analyzer DP measure consists of
calculating the difference of the Chroma phase at the black level and
the different chroma subcarrier phase angles 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.
Table 7. Measurement Conditions
Device and Signals Set-up
Measurement Set-up
N
noise level in Vrms
DIFF PHASE =
* 100%
the phase at position 0
the largest positive or negative difference
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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 |
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|---|---|
| MC44BS374T1EFR2 | 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 |
| MC44C401 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MTS Stereo Encoder |
| MC44C401EVK | 功能描述:音频 IC 开发工具 EVAL KIT STEREO ENCODER RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MC44C401FA | 制造商:Freescale Semiconductor 功能描述:STEREO ENCODER - Trays |
| MC44C401FAR2 | 制造商:Freescale Semiconductor 功能描述:STEREO ENCODER T&R - Tape and Reel |
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