參數(shù)資料
型號： MC44BS373CAEFR2
廠商： Freescale Semiconductor
文件頁數(shù)： 10/52頁
文件大?。?/td> 0K
描述： IC AUD/VID PAL 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： MC44BS373CAEFR2CT
MC44BS373CA Data Sheet
Characterization Measurement Conditions
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-step 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 700-mVp-p, 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 two times chroma
frequency, resulting in the following spectrum.
Chroma/Sound Intermodulation
No audio signal
Video: a 700-mVp-p, 100-kHz sinusoidal
signal is 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
an RF signal generator.
Measure in dBc, in reference to picture carrier (TVout_Ref),
intermodulation product at channel frequency plus the sound carrier
frequency (+5.5 MHz) minus the chroma frequency (–4.43 MHz),
resulting in the following spectrum (Intermodulation product is at the
channel frequency +1.07 MHz):
Table 24. Measurement Conditions (continued)
Device and Signal Set-Up
Measurement Set-Up
Picture Carrier
Sound Carrier
Sound 2nd
+5.5MHz
Fo
+11MHz +16.5MHz
Harmonic
Sound
3rd Harmonic
700mV pk-pk
Frequency
100kHz
Frequency
100 kHz
700 mVp-p
Picture Carrier
Sound
Chroma 2nd
+8.86 MHz
Fo
+4.43 MHz +5.5 MHz
Harmonic
Carrier
Chroma
Carrier
700mV pk-pk
Frequency
100kHz
Frequency
4.43 MHz
700 mVp-p
Picture Carrier
Chroma/Sound
+1.07MHz
Fo
Intermodulation
Sound
+4.43 MHz +5.5 MHz
Carrier
Chroma
Carrier
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