參數(shù)資料
型號(hào): STV202
英文描述: TV Power Schematic
中文描述: 電視電源原理圖
文件頁數(shù): 13/46頁
文件大小: 528K
代理商: STV202
STV2001
13/
46
10 - VIDEO PRE-AMP SECTION
HORIZONTAL BREATHING COMPENSATION
HBRrng
Breathing input DC Control Range
1
10.5
V
HSC
Horizontal size compensation, EW DC
voltage variation under full range of
HBRrng
Sub-address 12
X000 0000
X100 0000
X111 1111
0.2
0.8
V
V
CORNER PHASE CORRECTION
Corner
Phase Top
Corner Phase Top Adjustment with:
Vamp = max
Vpos = Typ.
SPB = OFF
Parrallelogram = OFF
Sub-address 05
1000 0000
1111 1111
-2.8
+2.8
%
%
Corner
Phase
Bottom
Corner Phase Bottom Adjustment with:
Vamp = max
Vpos = Typ.
SPB = OFF
Parrallelogram = OFF
Sub-address 06
0000 0000
0111 1111
-2.8
+2.8
%
%
Symbol
DC Electrical Characteristics
(VAV
CC
= PV
CC
= 10.5V, Tamb = 25
o
C)
VAV
cc
Video Section Analog Supply Voltage
Parameter
Test Conditions
Min
Typ
Max
Unit
9.5
10.5
11.5
V
PVcc
Power Section Supply Voltage
9.5
10.5
11.5
V
IS
Supply Current of VAVcc & PVcc
63
mA
V
IN
Video Input Voltage Amplitude
0.7
1
Vpp
V
OUT
V
Black
Typical Output Voltage Range
0.5
7
V
Output (Black level)
1.5
V
AC Electrical Characteristics
(VAV
CC
= PV
CC
= 10.5V, CL = 5pF, RL = 1K
, Tamb = 25
o
C)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
AV
Maximum Gain
Max Contrast and Drive
I
2
C Gainwin = 1
18
dB
CAR
Contrast Attenuation Range
V
IN
= 0.7Vpp
Contrast and Drive at
POR
30
dB
DAR
Drive Attenuation Range
30
dB
GM
Gain Match
V
IN
= 0.7Vpp,
V
OUT
= 4Vpp, Contrast
and Drive= 0.87Max
+-0.1
dB
BW
Large Signal Bandwidth
V
IN
=0.7Vpp,
V
OUT
= 2.5Vpp, Contrast
and Drive = 0.87Max
At -3dB
120
MHz
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
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