mc44bc373c Freescale Semiconductor, Inc, mc44bc373c Datasheet - Page 10

• Manufacturer Part Number: mc44bc373c
• Description: Pll Tuned Uhf And Vhf Audio/video High Integration Modulator
• Manufacturer: Freescale Semiconductor, Inc

Video Characteristics
10 Video Characteristics
Unless otherwise stated: V
RF output into 75Ohm load. SPECIFICATIONS ONLY VALID FOR ENVELOPE DEMODULATION.
Video bandwidth
Video input level
Video input current
Video input impedance
Peak White Clip
Video S/N
Differential Phase
Differential Gain
Luma/Sync ratio
PAL video modulation depth
SECAM video modulation depth
90
88
86
84
82
80
78
76
74
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Parameter
PA L V id e o M o d u latio n De p th
Typical
Fr e q u e n cy (M h z )
Maximum specification
cc
Minimum specification
Freescale Semiconductor, Inc.
=5.0V, Ambient Temperture=25
For More Information On This Product,
Reference 0dB at 100kHz,
measured at 5MHz. See Note 2
75Ohm load
PWC bit set to 1, see PWC section.
See Note 2
No sound modulation,100% white video
Using CCIR Rec.567 weighting filter
See Figure 4. See Note 2
Unweighted. See Note 2
CCIR Test Line 330, worst case from the
first 4 steps out of 5. See Note 2
CCIR Test Line 330, worst case from the
first 4 steps out of 5. See Note 2
Input ratio 7.0:3.0
See Figure 4. See Note 2
MC44BC373C only - See Figure 4. See
Note 2
58
56
54
52
50
48
MC44BC373C/374C Technical Data
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Figure 4. Typical Performances
Typical
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V id e o Sig n al to No is e
Test Conditions
( w i t h C C I R W e i g h t i n g f i l t e r
Fr e q u e n cy (M h z )
Minimum specification
100
98
96
94
92
90
88
86
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SEC A M V id e o M o d u latio n De p th
o
)
C, Video Input 1V
Typical
Fr e q u e n cy (M h z )
–1.5
Min
6.8/
500
110
3.2
–5
–5
50
45
75
88
—
—
Maximum specification
Minimum specification
–0.8
Typ
114
0.2
53
81
93
—
—
—
—
—
—
p-p
, 10-step grayscale.
Max
7.2/
118
1.5
2.8
88
99
—
—
—
—
1
5
5
Vcvbs
Unit
deg
KΩ
dB
µA
dB
—
%
%
%
%
Type
C
D
A
A
A
C
C
C
C
B
B
B