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參數(shù)資料
| 型號(hào)： | CXA1870 |
| 廠商： | Sony Corporation |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| 中文描述： | 單電源RS232C接口線路驅(qū)動(dòng)器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收）） |
| 文件頁(yè)數(shù)： | 16/40頁(yè) |
| 文件大小： | 573K |
| 代理商： | CXA1870 |
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—16—
CXA1870S
Item
OSD BLK
black variation
OSD BLK
attenuation
ABL threshold
ABL gain 1
ABL black level 1
ABL gain 2
ABL black level 2
Blanking level
Ik clamp level
Ik R level
Ik variable
range 1
Ik variable
range 2
RGB output
DC range 1
RGB output
DC range 2
Bright center -R
Bright
center -G, B
Bright variable range 1-R
Bright variable
range 1-G, B
Bright variable range 2-R
Bright variable
range 2-G, B
Sub-bright variable
range 1-R
Sub-bright
variable range 1-G, B
Sub-bright variable
range 2-R
Sub-bright
variable range 2-G, B
No.
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
Symbol
Vosd
Gosd
Vth, abl
Gabl1
Vabl1
Gabl2
Vabl2
Vblk
Vlk, clp
Vlk, r
Vlk, max
Vlk, min
Vref,
max
Vref,
min
Vbcen, r
Vbcen, gb
Vbrt1, r
Vbrt1, gb
Vbrt2, r
Vbrt2, bg
Vsbrt1, r
Vsbrt1, gb
Vsbrt2, r
Vsbrt2, gb
VD–
VOSDBLK
20logV2
V1
Measurement
pin
16
18
20
16
18
20
16
16
21
16
18
20
16
18
20
16
18
20
16
18
20
16
18
20
16
18
20
Vref
REFPVsig
Vlk,b Vlk,g
Vlk,r
Vlk,clp
B
G
VIK
Vb
Vp
Video In:
Sig-Y1
Video In:
Sig-Y1
OSD BLK:
Sig-R2 (5V)
OSD BLK:
Sig-R2 (3V)
ABL: 3
ABL: 0
16, 18, 20 Measure the R, G and B blanking levels.
VD
VOSDBLK
V2
V1
Vary the voltage applied to Pin 23 and measure
the voltage at which picture ABL operates.
Measurement
conditions
Measurement method
Min.
–150
–7
1.1
–3.4
100
–8.8
–100
0
1.25
0.76
0.2
–0.64
3.2
0.45
–0.5
–0.46
0.3
0.27
–0.38
–0.36
0.3
0.27
–0.38
–0.36
Typ.
190
–6
1.2
–2.4
200
–6.8
0
0.2
1.35
0.86
0.35
–0.54
3.5
0.85
–0.4
–0.36
0.35
0.32
–0.33
–0.31
0.35
0.32
–0.33
–0.34
Max.
410
–5
1.3
–1.4
300
–4.8
100
0.4
1.45
0.96
0.4
–0.44
4.0
1.25
–0.3
–0.26
0.4
0.37
–0.28
–0.26
0.4
0.37
–0.28
–0.26
Unit
mV
dB
V
dB
mV
dB
mV
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Video In: Sig-Y1
Video In: Sig-Y1
20log Vp, 5V
Vp, 9V
Vb, 5V-
Vb, 9V
20log Vp, 5V
Vp, 9V
Vb, 5V-
Vb, 9V
Video In:
Sig-Y1
Pin 25:
9 V/5 V
G CUTOFF: F
B CUTOFF: F
G CUTOFF: 0
B CUTOFF: 0
Vsh: 4.6V
(Pins 15,
17 and 19)
Vsh: 8V
(Pins 15,
17 and 19)
BRIGHT: 1F
BRIGHT: 3F
BRIGHT: 0
SUB
BRIGHT: 3F
SUB
BRIGHT: 0
Video In:
Sig-V1
Video In:
Sig-V1
Vlkg, b-Vlk, r
Vref
Vsig-Vref
Vsig
(BRIGHT: 1F)
–Vsig
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