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參數(shù)資料
| 型號： | MC44BS374T1EFR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 8/34頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AUDIO/VIDEO MODULATOR 16-SOIC |
| 標準包裝： | 1 |
| 類型： | NTSC/PAL 調(diào)制器 |
| 應用： | 音頻/視頻，VCR，機頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SOIC N |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | MC44BS374T1EFR2CT |
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MC44BS374T1/374T1A Advance Information
Characterization Measurement Conditions
Table 7. 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
TVOUT output attenuation
ATT” bit = 1
No Video signal
No Audio signal
Measure in dBc picture carrier at ATT=1 with reference to picture
carrier at ATT=0
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).
Second Harmonics of Chroma subcarrier
No audio
Video: a 700m Vpp 100 kHz 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.
Picture carrier
Sound carrier
Sound
+5.5MHz
Fo
+11MHz +16.5MHz
2nd harm
Sound
3rd harm
700mV pk-pk
Frequency
100kHz
Frequency
100Khz
700mVpkpk
Picture carrier
Sound
Chroma 2nd
+8.86MHz
Fo
+4.43MHz +5.5MHz
Harmonic
carrier
Chroma
carrier
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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