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MC44BS374T1AD-R2 데이터시트(PDF) 10 Page - Freescale Semiconductor, Inc

부품명 MC44BS374T1AD-R2
상세설명  PLL Tuned UHF and VHF Audio/Video High Integration Modulator
PDF  34 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC44BS374T1AD-R2 데이터시트(HTML) 10 Page - Freescale Semiconductor, Inc

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MC44BS374T1/374T1A Advance Information
MC44BS374T1A High Frequency Characteristics
11 MC44BS374T1A High Frequency Characteristics
Unless otherwise stated: Vcc=5.0V, Ambient Temperture=25
o C, Video Input 1V
p-p, 10-step grayscale.
RF inputs/outputs into 75Ohm load.
NOTE:
Specifications only valid for envelope demodulation.
Table 3. High Frequency Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
TVOUT output level
Output signal from modulator section
See Figure 3. See Note 2
79
82
85
dB
µV
B
UHF oscillator frequency
460
-
880
MHz
A
VHF range
From UHF oscillator internally divided
45
-
460
MHz
B
TVOUT output attenuation
During transient output inhibit, or
when ATT bit is set to 1. See
Figure 3.
See Note 2
65
75
-
dBc
B
Sound subcarrier harmonics
(Fp
+n∗Fs)
Reference picture carrier. See Note 2
50
63
-
dBc
C
Second harmonic of chroma
subcarrier
Using red EBU bar. See Note 2
45
70
-
dBc
C
Chroma/Sound intermodulation:
Fp
+ (Fsnd - Fchr)
Using red EBU bar.See Note 2
65
82
-
dBc
C
Fo (picture carrier) harmonics
2nd harmonic: CH21
3rd harmonic: CH21
Other channels: See Figure 3.
See NOTE 1. See Note 2
-
-
38
58
50
70
dB
µV
C
Out band (picture carrier)
spurious
1/2
∗Fo - 1/4∗Fo - 3/2∗Fo - 3/4∗Fo
From 40MHz to 1GHz. See Note 2
-
-
10
dB
µV
C
In band spurious (Fo @5MHz)
No video sound modulation.See Note
2
65
75
-
dBc
C
Note:
1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
Note:
2: See “Characterization Measurement Conditions” on page 15.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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