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MC44BS374T1AD-R2 数据表(PDF) 13 Page - Freescale Semiconductor, Inc |
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MC44BS374T1AD-R2 数据表(HTML) 13 Page - Freescale Semiconductor, Inc |
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13 / 34 page ![]() Video Characteristics MC44BS374T1/374T1A Advance Information 13 Video Characteristics Unless otherwise stated: Vcc=5.0V, Ambient Temperature=25 o C, Video Input 1V p-p, 10-step grayscale. RF output into 75Ohm load. Note: Specifications only valid for envelope demodulation. Table 5. Video Performance Characteristics Parameter Test Conditions Min Typ Max Unit Type Video bandwidth Reference 0dB at 100kHz, measured at 5MHz. See Note 2 -1.5 -0.8 - dB C Video input level 75Ohm load - - 1.5 Vcvbs D Video input current - 0.2 1 µA A Video input impedance 500 - - K Ω A Peak White Clip Video Modulation depth for video=1.4VCVBS 90.5 94 97.5 % B Video S/N for the MC44BS374T1A No sound modulation,100% white video Using CCIR Rec.567 weighting filter See Figure 5. See Note 2 53 56 - dB C Unweighted. See Note 2 48 53 - C Video S/N for the MC44BS374T1 No sound modulation,100% white video Using CCIR Rec.567 weighting filter See Figure 5. See Note 2 53 56 - dB C Unweighted. See Note 2 48 53 - C Differential Phase CCIR Test Line 330, See Note 2 -5 - 5 deg C Differential Gain CCIR Test Line 330, See Note 2 -5 - 5 % C Luma/Sync ratio Input ratio 7.0:3.0 6.8/ 3.2 7.0/ 3.0 7.2/ 2.8 - B Video modulation depth See Figure 5. See Note 2 76 82 88 % B Note: 2: See “Characterization Measurement Conditions” on page 15. Video Signal to Noise (w ith CCIR Weighting filter) 48 50 52 54 56 58 60 62 471 521 571 621 671 721 771 821 871 Frequency (Mhz) Minimum specification Typical Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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