參數(shù)資料
型號： TB1261F
廠商： Toshiba Corporation
英文描述： TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
中文描述： 東芝的BiCMOS集成電路，硅單片
文件頁數(shù)： 44/66頁
文件大?。?/td> 1544K
代理商： TB1261F
TB1261F/TB1262F
2002-6-30 44 / 66
YUV STAGE (RGB Mute:0 / RGB cut off:128 / DC rest.:2(100%))
Note
Items/Symbols
Bus
Y1
Brightness Control
/ V
BRTMAX
/ V
BRTCEN
/ V
BRTMIN
Brightness Control
resolution
/
Δ
V
BRT
conditions
Brightness:
0/64/127
Color:0
RGB Mute:0
R cut off:128
DC rest.:2(100%)
Others: Preset
Measurement methods
(1) Input a 0(IRE) black signal with sync into Pin61.
(2) Measure the DC level of picture period at Pin14 for
Brightness:127/64/0, that is "VBRTMAX" / "VBRTCEN" /
"VBRTMIN".
(3) Calculate;"
Δ
V
BRT
"=(V
BRTMAX
-V
BRTMIN
)/127
Y2
Contrast Control for Y
/ G
UCYMAX
/ G
UCYCEN
/ G
UCYMIN
Uni-Color:0/64/1
27
Color:0
RGB Mute:0
R cut off:128
DC rest.:2(100%)
WPS:1(OFF)
Others: Preset
Sharpness:0/32/6
3
Uni-Color:64
Color:0
RGB Mute:0
R cut off:128
DC rest.:2(100%)
Others: Preset
(1)Input a PAL color bar (75%) signal with sync into Pin61.
(2)Measure the output picture amplitude at Pin14 for
contrast:127/64/0, that is V
UCYMAX
/ V
UCYCEN
/ V
UCYMIN
.
(3)Calculate; "G
UCYMAX
"=20*log(V
UCYMAX
/0.35)
"G
UCYCEN
"=20*log(V
UCYCEN
/0.35)
"G
UCYMIN
"=20*log(V
UCYMIN
/0.35)
Y3
Sharpness Control
/ GSHMAX
/ GSHCEN
/ GSHMIN
(1)Input a 0.5V(p-p) sweep signal with sync into Pin61.
(2)Measure the output picture amplitude for 100kHz at Pin14
that is V
SH100k
.
(3)Measure the output picture amplitude for FSHP when
Sharpness is max.,center and min. that are V
SHMAX
, V
SHCEN
and
V
SHMIN
.
(4)Calculate; "G
SHMAX
"=20*log(V
SHMAX
/V
SH100k
)
"G
SHCEN
"=20*log(V
SHCEN
/V
SH100k
)
"G
SHMIN
"=20*log(V
SHMIN
/V
SH100k
)
(1) Input a 0.5V(p-p) sweep signal with sync into Pin61.
(2) Set the IICBUS switch of coring to 1
(3) Measure the frequency at which the Pin14 output amplitude
is Max. that is "FSHP".
(4) Set the IICBUS switch of coring to 0
(5) Measure the frequency at which the Pin14 output amplitude
is Max. that is "FSHPoff".
G
COR
=20*log( FSHPoff / FSHP )
(1) Input a gray raster with sync to Pin61.
(2) Set BUS data so that
γ
point is 90IRE.
(3) Increasing a video amplitude of input from 50(IRE),
measure a video amplitude as the figure below, that is “VY
γ
90”
(4) Set BUS data so that
γ
point is 80IRE.And repeat (3), that
is “VY
γ
80”.
(5) Set BUS data so that
γ
point is 70IRE.And repeat (3), that
is “VY
γ
70”.
(6) From the measurement in the above, find gain of the
portion that the
γ
correction has an effect on.
Y4
Sharpness
Frequency
/ F
SHP
Peaking
Sharpness:63
Uni-Color:63
Color:0
RGB Mute:0
R cut off:128
DC rest.:2(100%)
Coring=0/1
Others: Preset
Y5
Y
start point
/ V
Y
γ
70
/ V
Y
γ
80
/ V
Y
γ
90
γ
correction
Y
curve
/ G
Y
γ
γ
correction
Uni-Color:127
Color:0
RGB Mute:0
R cut off:128
DC rest.:2(100%)
γ
point:0/1/2/3
WPS:1(OFF)
Others: Preset
Y
γ
=off
Y
γ
=90/80/70IRE
#61 input
#14 output
V
Y
γ
90
相關(guān)PDF資料
PDF描述
TB1262F TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
TB20.0 HIGH-ENERGY TRIGGERED SPARK GAPS
TB10.0 Beldsol Magnet Wire, Approx. Spool Length: 6400'; Conductor Size AWG:36; No. Strands x Strand Size:Solid; Approval Categories:J-W-1177/9; MW 28-C (Single); Conductor Material:Copper RoHS Compliant: Yes
TB15.0 MU-MU FIBER JUMPER SINGLE MODE PVC 10 METER
TB25.0 XTAL CER SMT 6X3.5 2PAD
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參數(shù)描述
TB1262F 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
TB1274BFG 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:LUMINANCE, CHROMA AND SYNCHRONIZING SIGNALS PROCESSOR IC FOR PAL / NTSC / SECAM COLOR TV
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