mc44bc373c Freescale Semiconductor, Inc, mc44bc373c Datasheet - Page 13

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mc44bc373c

Manufacturer Part Number
mc44bc373c
Description
Pll Tuned Uhf And Vhf Audio/video High Integration Modulator
Manufacturer
Freescale Semiconductor, Inc
Datasheet
No audio
Video: a 700mVpk-pk 100Khz sinusoidal
signal is inserted on the black level of
active video area.
No audio signal
Video: 700mVpk-pk 100Khz 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.
No Video signal
No Audio signal
Frequency
Frequency
4.43Mhz
100Khz
Frequency
100kHz
Frequency
100kHz
Device and Signals Set-up
700mVpkpk
700mVpkpk
700mV pk-pk
700mV pk-pk
Freescale Semiconductor, Inc.
For More Information On This Product,
Second Harmonics of Chroma subcarrier
MC44BC373C/374C Technical Data
Chroma/Sound intermodulation
Go to: www.freescale.com
Measure in dBc, in reference to picture carrier (TVout_Ref), second
harmonic of chroma at channel frequency plus 2 times chroma
frequency, resulting in the following spectrum
Measure in dBc, in reference to picture carrier (TVout_Ref),
intermodulation product at channel frequency plus the sound carrier
frequency (+5,5Mhz) minus the chroma frequency (-4,43Mhz), resulting
in the following spectrum.
Intermodulation product is at the channel frequency +1,07Mhz.
Picture Carrier Harmonics
Measure in dBc, in reference to picture carrier (TVout_Ref), second and
third harmonic of channel frequency, resulting in the following spectrum.
Picture carrier
Picture carrier
Picture carrier
Fo
Fo
Fo
Characterization Measurement Conditions
+1.07Mhz
Chroma/Sound
Intermod.
Chroma
carrier
Measurement Set-up
2nd harmonic
+4.43Mhz +5.5Mhz
2Fo
Chroma
carrier
Sound
carrier
+4.43Mhz +5.5Mhz
3rd harmonic
Chroma 2nd
Harmonic
+8.86Mhz
3Fo
Sound
carrier

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