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MC44BS374T1D-R2 数据表(PDF) 17 Page - Freescale Semiconductor, Inc |
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MC44BS374T1D-R2 数据表(HTML) 17 Page - Freescale Semiconductor, Inc |
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17 / 34 page ![]() Characterization Measurement Conditions MC44BS374T1/374T1A Advance Information Chroma/Sound Intermodulation No audio signal Video: 700m Vpp 100 kHz sinusoidal signal 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 a 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. Picture Carrier Harmonics No Video signal No Audio signal Measure in dBc, in reference to picture carrier (TVout_Ref), second and third harmonic of channel frequency, resulting in the following spectrum. Out of Band Spurious No Video signal No Audio signal Measure in dBuV spurious levels at 0.25, 0.5, 0.75 and 1.5 times channel frequency, resulting in the following spectrum Measure from 40MHz to 1GHz . In Band Spurious No Video signal No Audio signal Measure in dBc, in reference to picture carrier (TVout_Ref), spurious levels falling into video bandwidth starting from +/-100 KHz from the picture carrier up to +/-5MHz. Table 7. Measurement Conditions Device and Signals Set-up Measurement Set-up 700mV pk-pk Frequency 100kHz Frequency 4.43 MHz 700mVpp Picture carrier Chroma/Sound +1.07MHz Fo Intermod. Sound +4.43MHz +5.5MHz carrier Chroma carrier Picture carrier 3rd harmonic 3Fo Fo 2Fo 2nd harmonic Picture carrier Fo*3/2 Fo/2 Fo/4 Fo*3/4 Fo Spurious Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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