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參數(shù)資料
| 型號(hào)： | MM1069 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Sync Detector |
| 中文描述： | 同步檢測(cè) |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 130K |
| 代理商： | MM1069 |
MITSUMI
Sync Detector MM1069
Electrical Characteristics
(Except where noted otherwise, Ta=25
°
C, V
CC
=5.0V, X=CSB503F2,
R=390 [OHM], C=3300pF, SW1=OFF)
*
1 Signal 1 : Pulse signal with 0.3V amplitude and pulse width 4.7μS
*
2 Measuring horizontal sync signal pull-in range for NTSC
Adjust signal 1 frequency toward 15.734kHz. The measurement value is the smaller of signal 1 frequency
when TP2 level switches from high to low, and the difference from 15.734.
*
3 Measuring horizontal sync signal pull-in range for PAL
Adjust signal 1 frequency toward 15.625kHz. The measurement value is the smaller of signal 1 frequency
when TP2 level switches from high to low, and the difference from 15.625.
*
4 Measuring sync separation level
Gradually lower staircase wave signal sync tip level, and measure sync tip level when TP2 level switches
from low to high.
*
5 Sync discrimination switching voltage measurement
Gradually change the voltage impressed on TP1, and measure TP5 voltage when TP2 output switches.
Signal 1 waveform
4.7uS
Item
Symbol
Measurement
Measurement conditions
Min. Typ. Max.
Units
circuit
V
CC
Id
Operating power supply voltage
V
CC
Id
4.7
5.0
7.5
5.3
11.0
V
Consumption current
mA
32fH VCO free-running
f
O
1
TP3
497.1 503.5 509.9 kHz
frequency NTSC
Horizontal sync signal
f
CAP
V
IN
V
IN
: signal 1
*
1
*
2
300
500
Hz
acquisition range NTSC
32fH VCO free-running
f
O
2
TP3
X=CSB500F40, R=200OHM,
C=4700pF
X=CSB500F40, R=200OHM,
C=4700pF, V
IN
: signal 1
*
1
*
3
SW1 : ON
V
IN
: staircase wave 1V
P
-
P
*
4
V
IN
: staircase wave 1V
P
-
P
*
5
frequency PAL
493.6 500.0 506.4 kHz
Horizontal sync signal
f
CAP
2
V
IN
acquisition range PAL
300
500
Hz
LPF pin DC level
V
LPF
V
SEPA
TP4
V
IN
0.9
20
1.4
50
1.9
80
V
Sync separation level
mV
Sync discrimination
V
L
4
TP2
0.2
0.4
V
output voltage L
Sync discrimination
V
H
4
TP2
V
IN
: no input signal
*
5
4.8
5.0
V
output voltage H
Sync discrimination
V
THL
4
TP1
TP1 : DC voltage 5V Low
*
5
2.0
2.3
2.6
V
switching voltage L
Sync discrimination
V
THH
4
TP1
TP1 : DC voltage 0V High
*
5
2.7
3.0
3.3
V
switching voltage H
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