mc44bc375u Freescale Semiconductor, Inc, mc44bc375u Datasheet - Page 6

• Manufacturer Part Number: mc44bc375u
• Description: Pll Tuned Vhf Channel 3 / 4 Audio / Video Modulator
• Manufacturer: Freescale Semiconductor, Inc

are for:
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Table 6. High Frequency Characteristics
Table 7. Video Performance Characteristics
MC44BC375U
6
RF
Sound subcarrier harmonics (Fp+n∗Fs)
Second harmonic of chroma subcarrier
Chroma/Sound intermodulation:
Fp+ (Fsnd - Fchr)
Fo (picture carrier) harmonics
Out band (picture carrier) spurious
In band spurious (Fo @ 5.0 MHz)
4.0 MHz Crystal spurious (Fo ± 4.0 MHz) No video sound modulation
Video bandwidth
Video input level
Video input current
Video input impedance
Video S/N
Differential Phase
Differential Gain
Luma/Sync ratio
Video modulation depth
Peak White Clip
1. See Performance Measurement Test Set-ups,
2. Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
1. See Performance Measurement Test Set-ups,
Unless otherwise stated, all performance characteristics
NOTE:
Specifications only valid for envelope demodulation.
OUT
Power Supply, V
Ambient Temperature, T
Video Input 1.0 V
RF inputs/outputs into 75 Ω load.
output level
Parameter
Parameter
CC
p-p
= 5.0 V
, 10-step grayscale.
(2)
A
= 25
o
Reference 0 dB at 100 KHz, measured at 5.0 MHz
75 Ω load
Weighted
Unweighted
On line 17 in M standard (FCC)
On line 17 in M standard (FCC)
Input ratio 7.0:3.0
Video input level = 1.0 V
Video Modulation depth for video = 1.4 V
C
PERFORMANCE CHARACTERISTICS
Output signal from modulator
section
Reference picture carrier
Using red EBU bar
Using red EBU bar
2nd harmonic
3rd harmonic:
1/2∗Fo - 1/4∗Fo -
No video sound modulation
3/2∗Fo - 3/4∗Fo
Test Conditions
Table
Table
Test Conditions
9.
9.
CVBS
(1)
(1)
tions found in the column Type.
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MC44BC375UA
MC44BC375UA
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MC44BC375UA
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MC44BC375U
MC44BC375U
MC44BC375U
MC44BC375U
MC44BC375U
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MC44BC375U
The parameters listed are based on the type of test condi-
See the
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CVBS
Device
A = 100% tested
B = 100% Correlation tested
C = Characterized on samples
D = Design parameter
for each C type parameter.
“Characterization Measurement Conditions” on
6.8/3.2
90.5
Min
-1.5
56
49
80
—
—
—
—
—
Min
74
78
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
±1.0
Typ
-0.5
500
0.2
1.0
60
52
85
95
—
—
Typ
.73
-72
-65
-65
-70
-82
76
80
30
66
—
—
—
—
—
—
—
—
Application Specific Products
7.2/2.8
Max
99.5
1.5
1.0
5.0
Max
90
—
—
—
—
—
-65
-55
-60
-60
-60
-62
-60
-75
-75
.65
Freescale Semiconductor
79
83
42
46
69
73
27
32
Vcvbs
Unit
deg
KΩ
dBµV
dBµV
dBµV
dBµV
dB
µA
dB
—
%
—
%
%
Unit
dBc
dBc
dBc
dBc
dBc
Type
Type
C
D
C
C
C
C
A
A
B
B
B
B
C
C
C
C
C
C
C
C