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参数资料
| 型号： | MC44BC375UEF |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC A-VHF MODULATOR 16-SOIC |
| 标准包装： | 48 |
| 类型： | 调制器 |
| 应用： | 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 |
MC44BC375/U/J/T Technical Data
Characterization Measurement Conditions
Video: 5 step Grey Scale- 1Vpk-pk.
No Audio signal
This is measured using a Rohde &
Schwarz AMFS 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.
Video Differential Gain
Video: 5 step Grey Scale- 1Vpk-pk.
No Audio signal
This is measured using a Rohde &
Schwarz AMFS 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.
CCIR line330 corresponds to FCC line17inNTSC/Mstandard
Video Modulation Depth
No Audio signal
Video: 10stepgreyscale
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),
Audio Modulation Depth - FM Modulation
Device and Signals Set-up
Measurement Set-up
DIFF PHASE =
* 100%
the phase at position 0
the largest positive or negative difference
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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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 |
|---|---|
| MC44BC375UEFR2 | 功能描述:IC A-VHF MODULATOR 16-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| MC44BC375VAEFR2 | 制造商:Freescale Semiconductor 功能描述: |
| MC44BC380 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:VHF/ UHF ANTENNA BOOSTER/SPLITTER IC |
| MC44BC380EF | 功能描述:IC BOOSTER/SPLITTER ANT 8-SOIC RoHS:是 类别:RF/IF 和 RFID >> RF 功率分配器/分线器 系列:- 标准包装:98 系列:- 插入损耗:- 频率:40MHz ~ 880MHz 技术规格:- 尺寸/尺寸:* 封装/外壳:- 包装:管件 |
| MC44BC380EFR2 | 功能描述:IC BOOSTER/SPLITTER ANT 8-SOIC RoHS:是 类别:RF/IF 和 RFID >> RF 功率分配器/分线器 系列:- 标准包装:98 系列:- 插入损耗:- 频率:40MHz ~ 880MHz 技术规格:- 尺寸/尺寸:* 封装/外壳:- 包装:管件 |
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