參數(shù)資料
型號: MC44BS374T1EFR2
廠商: Freescale Semiconductor
文件頁數(shù): 7/34頁
文件大小: 0K
描述: IC AUDIO/VIDEO MODULATOR 16-SOIC
標(biāo)準(zhǔn)包裝: 1
類型: NTSC/PAL 調(diào)制器
應(yīng)用: 音頻/視頻,VCR,機(jī)頂盒
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC N
包裝: 剪切帶 (CT)
其它名稱: MC44BS374T1EFR2CT
Characterization Measurement Conditions
MC44BS374T1/374T1A Advance Information
Figure 6. Typical Audio Performance
15 Characterization Measurement Conditions
The following list shows the MC44BS374T1/374T1A default configuration unless otherwise specified.
Peak White Clip enabled
UHF oscillator ON
Sound and video modulators ON
Sound subcarrier frequency = 5.5 MHz
Sound Oscillator ON
Logic Output Port LOW
Picture-to-sound carrier ratio = 12 dB
Test pattern disabled
All test mode bits are ‘0’
Frequency from channel 21 to 69
RF Inputs / Output into 75ohm Load using a 75 to 50 ohm transformation. Video Input 1Vpp.
Audio pre-emphasis circuit enabled.
FM Audio Weighted Signal to Noise
46
48
50
52
54
56
58
471
521
571
621
671
721
771
821
871
Frequency (Mhz)
dB
Typical
Minimum specification
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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