參數(shù)資料
型號(hào)： M52778SP
廠商： Mitsubishi Electric Corporation
英文描述： VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC
中文描述： 資料表格，應(yīng)力強(qiáng)度因子，視頻，撓度色度用于PAL / NTSC制式
文件頁(yè)數(shù)： 13/37頁(yè)
文件大?。?/td> 310K
代理商： M52778SP
MITSUBISHI ICs (TV)
M52778SP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC
13
A
CC1
1. Input VS4P (eb=570mV:level+6dB) to VI IN.
2. Measure the output amplitude at pin 43.
3. A
CC1
is defined as follows:
Measured value (V
P-P
)
A
CC1
=20log
A
CC2
1. Input VS4P (input level:20dB) to VI IN.
2. Measure the output amplitude at pin 41.
3. A
CC2
is defined as follows:
OL Chroma overload
1. Input VS4P (ec=800mV
P-P
:chroma+3dB) to VI IN.
2. Measure the output amplitude at pin 41.
3. OL is defined as follows:
VikP Threshold color killer on (PAL)
1. Input VS4P (level:variable) to VI IN at input level 0dB.
2. Lower the input level whth monitoring the output amplitude at pin
41 and measure the input level when output amplitude isnot
found.
KillP Residual color leakage at killer on (PAL)
1. Input VS4P (level:40dB) to VI IN.
2. Measure the output amplitude at pin 41.
APC1 APC pull-in range 1
1. Input VS4P (f=eb=ec=variable) to VI IN.
2. Change the input signal frequency and measure the frequency
range from the point at which signal is output to pin 41 and to the
point that no signal is output to the pin. The reference value is
4.433619MHz.
R/B P Ratio of (R-Y/B-Y)
1. Input VS4P (eb=single chroma=ec+50kHz) to VI IN.
2. V41 is the output amplitude at pin 41.
3. V43 is the output amplitude at pin 43.
4. R /B P is defined as follows:
V43 (V
P-P
)
R/B P=20log
V41 (V
P-P
)
θ
R-Y P Demodulation phase
1. Input VS4P (ed=single chroma=ec+50kNz) to VI IN.
2. V41 is the output amplitude at pin 41.
3. V43 is the output amplitude at pin 43.
4. R-YP is defined as follows:
CC Residual carrier leakage
Measure the element of 4.43MHz of the demodulated output in no-
input state.
DDH Offset of demodulated output by line
1. Input 4.2MHz CW (Vi=575mV
P-P
) to VI IN.
2. Measure the center DC voltage of output beat amplitude for two
lines at pins 41 and 43. The absolute value of the difference in
DC voltage is the difference of demodulated output on line.
Cn3, Cn4 Output signal amplitude3, 4 (NTSC)
1. Input SS3N to VI IN.
2. Cn3 and Cn4 are output amplitude measured at pins 41 and 43
respectively.
VikN Threshold color killer on (NTSC)
1. Input VS3N (level:variable) to VI IN at input level 0dB.
2. Lower the input level with monitoring the output amplitude at pins
41 and measure the input level when output amplitude is not
found.
KillN Residual color leakage at killer on (NTSC)
1. Input VS3N (level:-40dB) to VI IN.
2. Measure the output amplitude at pin 41.
APC2 APC Pull-in range 2
1. Input VS3N (f=eb=ec=variable) to VI IN.
2. Change the input signal frequency and measure the frequency
range from the point at which no signal is output to 41 pin and to
the point at which signal is output to the pin. (Pull-in state) The
reference value is 3.579545MHz.
R/B N Ratio of (R-Y/B-Y)
1. Input VS3N (eb=signal chroma=ec+50kHz) to VI IN.
2. V41 is the output amplitude at pin 41.
3. V43 is the output amplitude at pin 43.
4. R/B N is defined as follows:
Cn1 (V
P-P
)
(dB)
Measured value (V
P-P
)
Cn1 (V
P-P
)
A
CC2
=20log
(dB)
Measured value (V
P-P
)
Cn1 (V
P-P
)
OL=20log
(dB)
(dB)
V43
×
3.8
V41
×
1.9
θ
R-Y P=tan
-1
+45 (deg)
M
1H
GND
M
2H
V43 (V
P-P
)
V41 (V
P-P
)
R/B N=20log
(dB)
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