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)： 42/66頁
文件大小： 1544K
代理商： TB1261F
TB1261F/TB1262F
2002-6-30 42 / 66
Note
C5
Items/Symbols
APC Control
Sensitivity
(4.43MHz)
/
β
443
APC Control
Sensitivity
(3.58MHz)
/
β
358
Bus conditions
Color
4/2
Others: Preset
Measurement methods
(1) Connect Pin61 to GND via a 1uF capacitor.
(2) Set Color System to 4(443PAL).
(3) Adjust Pin7 voltage so that the Pin34 output frequency is
4.433619MHz that is V
4APCCEN
.
(4) Measure the Pin34 output frequency when Pin7 voltage is
V
4APCCEN
+200mV / V
4APCCENT
, that is F
4APC
+ / F
4APC-
.
(5) Calculate; "
β
443
"=(F
4APC+
-F
4APC-
)/200
(6) Set Color System to 2 (358NTSC).
(7) Adjust Pin7 voltage so that the Pin34 output frequency is
3.579545MHz that is V
3APCCEN
.
(8) Measure the Pin34 output frequency when Pin7 voltage is
V
3APCCEN
+200mV / V
3APCCEN
, that is F
3APC+
/ F
3APC-
.
(9) Calculate;
"
β
358
"=(F
3APC+
-F
3APC-
)/200
(1) Set P/N ID Sens. to 0.
(2) Set Color System to 4(443PAL).
(3) Input a 4.43MHz PAL rainbow color-bar(300mV(p-p),
burst:chroma=1:1) with sync into pin#61 and 58.
(4) Measure the burst amplitude at which Pin13 DC level
changes from high to low / from low to high, that is
"V
PALIDON
" / "V
PALIDOFF
".
(5) Set Color System to 2(358NTSC).
(6) Input a 3.58MHz NTSC rainbow color-bar (286mV(p-p),
burst:chroma=1:1) with sync into pin#61 and 58, and
repeat (3), that is "V
NTIDON
" / "V
NTIDOFF
".
(7) Set P/N ID Sens.to 1, repeat (2) ~ (6) that are
“VPALIDLON”, “VPALIDLOFF”, VNTIDLON and
VNTIDLOFF.
System:
C6
PAL ID Sensitivity
(Normal Mode)
/ V
PALIDON
/ V
PALIDOFF
PAL ID Sensitivity
(Low Mode)
/ V
PALIDLON
/ V
PALIDLOFF
NTSC ID Sensitivity
(Normal Mode)
/ V
NTIDON
/ V
NTIDOFF
NTSC ID Sensitivity
(Low Mode)
/ V
NTIDLON
/ V
NTIDLOFF
Black adjustment
(internal)
/ V
BINTMAX
/ V
RINTMAX
/ V
RINTMIN
/ V
RINTMIN
Black adjustment
sensitivity (Internal)
/
Δ
V
BINT
/
Δ
V
RINT
P/N ID Sens:0/1
Color System:
4/2
Y Mute:01
Uni-Color:127
RGB Mute:0
BPF/TOF;0 BPF
Others: Preset
C7
B-Y black Adj.:
0/15
R-Y black Adj.:
0/15
Others: Preset
(1) For B-Y/R-Y Black Adj.:8, measure the DC level of picture
period at Pin51,52 that is V
SBCEN
/ V
SRCEN
.
(2) For B-Y Black Adj.:0 /15, measure the DC level change of
picture period against V
SBCEN
at Pin52, that is "V
BINTMIN
" /
"V
BINTMAX
".
(3) For R-Y Black Adj.:0/15, measure the DC level change of
picture period against V
SRCEN
at Pin51, that is "V
RINTMIN
" /
V
RINTMAX
".
(4) Calculate;
"
Δ
V
BINT
"=(V
SBMAX
-V
SBMIN
)/15
"
Δ
V
RINT
"=(V
SRMAX
- V
SRMIN
)/15
(1) For B-Y/R-Y Black Adj.:8, measure the DC level of picture
period at Pin12,14 that is V
SBCEN
/ V
SRCEN
.
(2) For B-Y Black Adj.:0 /15, measure the DC level change of
picture period against V
SBCEN
at Pin14, that is "V
BEXTMIN
" /
"V
BEXTMAX
".
(3) For R-Y Black Adj.:0/15, measure the DC level change of
picture period against V
SRCEN
at Pin12, that is "V
REXTMIN
" /
V
REXTMAX
".
(4) Calculate;
"
Δ
V
BINT
"= (V
BEXTMAX
- V
BEXTMIN
) / 15
"
Δ
V
RINT
"= (V
REXTMAX
- V
REXTMIN
) / 15
(1) Input a 4.43MHz PAL rainbow color-bar (300mV(p-p),
burst:chroma=1:1) with sync into Pin61.
(2) Measure the amplitude of Pin34 output that is "V
CW
".
(1) Input a 75% color bar(200mV(p-p) at R ID) into Pin61..
(2) Measure the R-Y output amplitude at Pin51, that is "VRS".
(3) Measure the B-Y output amplitude at Pin52, that is "VBS".
Black adjustment
(External)
/
V
BINTMAX
/ V
RINTMAX
/ V
RINTMIN
/ V
RINTMIN
Black adjustment
sensitivity External
/
Δ
V
BINT
/
Δ
V
RINT
B-Y black Adj.:
0/15
R-Y black Adj.:
0/15
DemoP; 00
Cont; 7F
Color; 40
Ymute; 1
CbCrSW; 1
Others: Preset
C8
fsc Continuous Wave
Output Level
/ V
CW
SECAM CbCr output
amplitude
/ VBS
/ VRS
Others: Preset
C9
RGB Mute:0
Color System:5
Uni-Color:64
Y Mute:1
Others: preset
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