參數(shù)資料
型號(hào): MM1029
廠商: MITSUMI ELECTRIC
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: S Video Amplifier
中文描述: S視頻放大器
文件頁(yè)數(shù): 4/5頁(yè)
文件大?。?/td> 144K
代理商: MM1029
MITSUMI
S Video Amplifier MM1029
Notes :
*
1
1. Voltage gain G
V
1, G
V
2, G
V
3
Given SG-1 input as V1 and TP11 output signal as V2, G
V
1 is obtained as follows.
The same applies for G
V
2 and G
V
3.
V2
V1
G
V
1=20LOG [dB]
2. Frequency response f
C
1, f
C
2, f
C
3
For the same conditions as the G
V
1 measurement, given TP11 output for 0.1MHz as V3, and
for 5MHz as V1, F
C
1 is obtained as follows. The same applies for f
C
2 and f
C
3.
V4
V3
F
C
1=20LOG [dB]
*
2
Crosstalk Yin C
OUT
C
T
1
Given TP14 input signal as V5 and TP7 output signal as V6, C
T
1 is obtained as follows.
V6
V5
C
T
1=20LOG [dB]
*
3
Crosstalk P
B
, P
B
Give TP2 and TP4 input signals as V7, and TP11 output signal as V8, C
T
2 and C
T
3 are obtained
as follows.
*
1
C
T
2=20LOG V8
-
4 [dB]
V7
Y
OUT
C
T
2, C
T
3
*
1 When C is input to compare between Y
IN
portion from crosstalk.
Crosstalk PB C
OUT
C
T
4
Given TP4 input signal as V9 and TP7 output signal as V10, CT4 is obtained as follows.
C
OUT
and C
IN
Y
OUT
, subtract the 4dB amp
*
4
V10
V9
C
T
4=20LOG [dB]
*
5
Input threshold voltage V insert input, character input V
TH
1, V
TH
2
For the same conditions as V
MCY
and V
CHY
measurement, raise TP13 and TP12 pulse levels
gradually. TP13 and TP12 pulse levels when V insert signal and character signal appear on TP11
are, respectively, V
TH
1 and V
TH
2.
*
6
Input threshold voltage Chroma mute input V
TH
3
Gradually raise TP5 pulse level. TP5 pulse level when a sine wave is no longer output on TP7 is
V
TH
3.
*
7
Sync separation level V
SEPA
Gradually reduce SG-1 SYNC level from maximum to minimum. Measure the S
YNC
signal level at
TP14 when a sync separation signal is no longer output on TP15 to obtain V
SEPA
.
*
8
Schmidt trigger threshold level V
TH
4H, V
TH
4L
Impress external DC voltage on TP1 and gradually raise from 0V. TP1 level when TP3 level goes
from high to low is V
TH
4H. Gradually lower from 5V. TP1 level when TP3 level goes from low to
high is V
TH
4L.
*
9
Vertical sync output voltage V
VH
, V
VL
TP3 low level for T
TH
4H measurement is V
VL
, and TP3 high level for V
TH
4L is V
VH
.
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