參數(shù)資料
型號(hào)： M52727SP
廠商： Mitsubishi Electric Corporation
英文描述： PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
中文描述： PAL / NTSC制式系統(tǒng)單芯片彩色電視信號(hào)處理器
文件頁(yè)數(shù)： 31/61頁(yè)
文件大?。?/td> 430K
代理商： M52727SP
PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
M52727SP
MITSUBISHI ICs (TV)
B/T BPF/TOP Switching
1. Input VS4P(input level-25dB) into pin
.
2. Test the output amplitude of pin
3.
B/T = 20 log
, SG.a into pin
on TV, EXT.
EXT (V
P-P
)
TV (V
P-P
)
(dB)
41
34
ACC3 ACC Characteristics 3 (EXT)
1. Input VS4P(input level+6dB) into pin
.
2. Test the output amplitude of pin
3.
Test value(V
P-P
)
, SG.a into pin
.
ACC3 = 20 log
Cn1
(dB)
ACC4 ACC Characteristics 4 (EXT)
1. Input VS4P(input level-20dB) into pin
.
2. Test the output amplitude of pin
3.
Test value(V
P-P
)
, SG.a into pin
.
ACC4 = 20 log
41
41
34
36
34
36
HBLK PAL HBLK. Level Difference PAL
1. Input VS4P(ec=0mV)into pin
2. Measure the level difference between the output color
pattern period of pin
and the BLK period.
41
M
, SG.a into pin
.
34
36
BPFC1 BPF Characteristics 1
1. Input VS4P (ec single frequency, 0.3 V
P-P
, _f variable)
and SG.a into pins
and
2. Measure the output amplitude at pin with ec=fsc+10kHz,
+800 kHz, or -800 kHz.
, respectively.
41
34
36
TOFC1 TOF Characteristics 1
1. Input VS4P (ec single frequency, 0.3 V
P-P
, _f variable) and
SG.a into pins
and
, respectively.
2. Measure the output amplitude at pin
+800 kHz, or -800 kHz.
with ec=fsc+10kHz,
41
34
36
DCIN C Input D Range
1. Input VS4P (SYNC 1V) into pin
2.
, SG.a into pin
.
DCIN = 20 log
34
36
Test value
Cn1
(dB)
Hold PALL APC Hold Range
1. Input VS4P (f=eb=ec=variable) into pin
.
2. Change the input signal frequency range and then
measure the frequency range when the output signal at
pin
comes into existence (is placed in the pull-in
status).
, SG.a into pin
41
34
36
1. Input SS3N into pin
2. Test the output amplitude of pin ,
, SG.b into pin
.
and make Cn3,Cn4.
Cn3 Chroma Normal Output 3 (NTSC)
Cn4 Chroma Normal Output 4 (NTSC)
34
36
1. Input VS3N (level variable) into pin
of 0 dB and input SG.b into pin
2. Lower the input level while monitoring the output
amplitude at pin
, and then measure the input level
when no output amplitude is generated.
with the input level
.
VikN Killer Operation Input Level (NTSC)
41
34
36
1. Input VS3N (eb=0V) into pin
2. Test the output amplitude of pin
, SG.b into pin
.
41
.
KilN Killer Color Residual (NTSC)
34
36
1. Input VS3N (f=eb=ec=variable) into pin
.
2. Change the input signal frequency and measure the
frequency range when the output signal at pin
into existence (is placed in the pull-in status). The basic
value shall be 3.579545 MHz.
Note: When measuring 3.58 MHz APC pull-in, set the APC
pin to high-level, supply the signal to the pin, and then
take measurements with the APC pin OPEN.
When the APC pin is set to high-level, oscillation of
3.58 MHz may stop. Use the above conditions for the
measurement to check that this status is not held.
, SG.b into pin
comes
APC2 APC Pull-in Range 2
41
34
36
1. Input VS3N (eb=unity Chroma, phase variable) into pin
, SG.b into pin
.
2. Measure the output at pin
variable, and specify 0 deg for the phase where the
output is zero.
3. Observe the output at pin
measure the position where the output is 0.
, make the ec phase
, advance the ec phase and
R-Y N Demodulated Phase Angle R-Y N
41
43
34
36
1. Input VS3N(ec=unity Chroma=eb+50kHz) and SG.b into
pin
.
2. Test the output amplitude of pin
3. Test the output amplitude of pin
4.
V43(V
P-P
V41(V
P-P
)
and make V41.
and make V43.
R/BN = 20 log
R/BN Demodulated Ratio R-Y/B-Y
41
43
34
36
Cn1
(dB)
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