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參數資料
| 型號： | 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處理器 |
| 文件頁數： | 32/61頁 |
| 文件大小： | 430K |
| 代理商： | M52727SP |
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PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
M52727SP
MITSUBISHI ICs (TV)
1. Input SGB (5MHz, 0.714V
P-P
) into pin
2. Measure the amplitude (
P-P
) except for the blanking block
of the output at pin
.
3.
FBY=20 log
GY (V
P-P
)
.
1. Input SGA into pin
2. Measure the amplitude (
P-P
) except for the blanking block
of the output at pin
.
21
.
3.
GY=20 log
1. Input SS3N into pin
2. Measure each of 3.58MHz element and 7.16MHz
element of demodulation output at pin
, SG.b into pin
.
CLN Demodulated Output Carrier Leak
41
34
36
1. Shall be the basic angle for the TINT data center.
2. T3=TC
T3 TINT Center Position
1. Input VS3N(ec=0mV) into pin
2. Measure the level difference between the output pattern
period and the BLK period at pin
, SG.b into pin
.
.
HBLK NT H-BLK Level Difference
41
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.
, SG.b into pin
comes
Hold NT APC Hold Range
41
34
36
BPFC2 BPF Characteristics 2
1. Input VS3N (ec single frequency, 0.3 V
P-P
, _f variable)
and SG.a into pins
and
2. Measure the output amplitude at pin
kHz, +800 kHz, or -800 kHz.
, respectively.
with ec=fsc+10
41
34
36
TOFC2 TOF Characteristics 2
1. Input VS3N (ec single frequency, 0.3 V
P-P
, _f variable)
and SG.a into pins
and
2. Measure the output amplitude at pin
kHz, +800 kHz, or -800 kHz.
, respectively.
with ec=fsc+10
41
34
36
free VCXO Free Run Frequency
f
1. Test the oscillate frequency of pin
2.
f
free =
f
CN16-3579545 (Hz)
and make
f
CN16.
32
ACC5 ACC Lock
1. Input SG.G(f=3.579545MHz,V variable) into pin
into pin
.
2. When the amplitude of SG.G is switched to 0.5 V
P-P
or
2.0 V
P-P
, the output at pin
respectively.
3.
Vcn 17b
Vcn 17a
, SG.b
shall be Vcn17a or Vcn17b,
ACC5 = 20 log
41
34
36
Test value
VIN(0.714V)(dB)
SRA SECAM REF Output AC Voltage
1. Measure the amplitude (SRA) of 4.43 MHz element of the
output at pin
.
42
SRDL SECAM REF Output DC voltage L
1. Test the output DC voltage of pin
.
AUTO1~6 System Distinction 1~6
1. Place the IC in the AUTO mode and then check that BUS
reads input signals appropriately.
42
36
M
GY Video Normal Gain
M
FBY Video Frequency Characteristics
21
Test value (V
P-P
)
(dB)
36
ACL1 Peak ACL "H" Level
1. Input SGA into pin
2. Measure the amplitude (
P-P
) except for the blanking block
of the output at pin
21
.
36
(dB)
SRDH SECAM REF Output DC voltage H
1. Test the output DC voltage of pin
.
42
T1 TINT Control Characteristics 1
T2 TINT Control Characteristics 2
1. Input VS3N (see the diagram below) and SG.b into pins
and
, respectively.
-180
°
0
°
90
°
A
B
GND
90
°
0
°
A
B
= tan
-1
(B/A)
2. Assuming the TINT DATA center (64) as the basic angle
(TC), find the angle for TINT DATA MAX and MIN and
express with the difference in angle between them.
(MAX = TCMAX, MIN = TCMIN)
3. TC1=TCMAX-TC (deg)
TC2=TC-TCMIN (deg)
Find the absolute angle from the output at pin according
to the diagram above.
41
34
36
0
0
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