参数资料
型号: MC44BS374T1AEF
厂商: Freescale Semiconductor
文件页数: 7/34页
文件大小: 0K
描述: IC AUDIO/VIDEO MODULATOR 16-SOIC
标准包装: 48
类型: NTSC/PAL 调制器
应用: 音频/视频,VCR,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
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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For More Information On This Product,
Go to: www.freescale.com
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