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參數(shù)資料
| 型號： | MC44BC375T |
| 廠商： | Motorola, Inc. |
| 英文描述： | PLL Tuned VHF Audio/ Video High Integration Modulator ICs |
| 中文描述： | 甚高頻鎖相環(huán)調(diào)諧音頻/視頻調(diào)制器的高集成芯片 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 537K |
| 代理商： | MC44BC375T |
8
MC44BC375/U/J/T Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Characterization Measurement Conditions
Device and Signals Set-up
Measurement Set-up
TVOUT Output Level
Video: 10 steps grey scale
No audio
Measured picture carrier in dBuV with the HP8596E Spectrum Analyzer
using a 75 to 50 ohm transformation, all cables losses and transformation
pads having been calibrated.
Measurement used as a reference for other tests: TVout_Ref
Sound Subcarrier Harmonics
Video: 10 steps grey scale
No Audio signal
Measure in dBc second and third sound harmonics levels in reference to
picture carrier (TVout_Ref).
Picture carrier
Second Harmonics of Chroma subcarrier
No audio
Video: a 700mVpk-pk 100Khz sinusoidal
signal is inserted on the black level of
active video area.
Measure in dBc, in reference to picture carrier (TVout_Ref), second
harmonic of chroma at channel frequency plus 2 times chroma
frequency, resulting in the following spectrum.
Chroma/Sound intermodulation
No audio signal
Video: 700mVpk-pk 100Khz sinusoidal
signal inserted on the black level of
active video area.This is generated using
a Rohde & Schwarz Video Generator
SAF and inserting the required frequency
from a RF Signal generator.
Measure in dBc, in reference to picture carrier (TVout_Ref),
intermodulation product at channel frequency plus the sound carrier
frequency (+5,5Mhz) minus the chroma frequency (-4,43Mhz), resulting
in the following spectrum.
Intermodulation product is at the channel frequency +1,07Mhz.
Picture Carrier Harmonics
Sound carrier
Sound
2nd harm
+5.5Mhz
Fo
+11Mhz +16.5Mhz
Sound
3rd harm
700mV pk-pk
100kHz
100Khz
Frequency
700mVpkpk
Picture carrier
Sound
carrier
Chroma 2nd
Harmonic
+8.86Mhz
Fo
+4.43Mhz +5.5Mhz
Chroma
carrier
700mV pk-pk
100kHz
4.43Mhz
Frequency
700mVpkpk
Picture carrier
Chroma/Sound
Intermod.
+1.07Mhz
Fo
Sound
carrier
+4.43Mhz +5.5Mhz
Chroma
carrier
F
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44BC375TD | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PLL Tuned VHF Audio/Video High Integration Modulator ICs |
| MC44BC375U | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PLL Tuned VHF Audio/Video High Integration Modulator ICs |
| MC44BC375UA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PLL Tuned VHF Audio/Video High Integration IC |
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