參數(shù)資料
型號(hào)： 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)： 41/66頁
文件大?。?/td> 1544K
代理商： TB1261F
TB1261F/TB1262F
2002-6-30 41 / 66
CHROMA STAGE
Note
Items/Symbols
Bus conditions
C1
ACC Characteristics
/ V
ACCH
/ V
ACCL
Uni-Color:127
Others: Preset
Measurement methods
(1) Input a 4.43MHz PAL rainbow color-bar(300mV(p-p),
burst:chroma=1:1) with sync into Pin61.
(2) Changing the amplitude of burst and chroma, measure the
input amplitude at which Pin51 output amplitude is
+1dB/-1dB against the one for 300mVp-p input, that is
"V
ACCH
"/"V
ACCL
".
(1) Set “BPF/TOF” to 1, “Color System” to 4(443PAL).
(2) Input a sweep signal into Pin #61 and #58.
(3) Observe the frequency response at Pin34 and measure the
Peaking Frequency / Q of chroma filter, that is "F
0T443
" /
"Q
T443
".
(4) Set BPF/TOF to 0 and Color System to 4(443PAL) and
repeat (2)&(3), that is "F
0B443
" / "Q
B443
".
(5) Set BPF/TOF to 1 and Color System to 2(358NTSC) and
repeat (2)&(3), that is "F
0T358
" / "Q
T358
".
(6) Set BPF/TOF to 0 and Color System to 2(358NTSC) and
repeat (2)&(3), that is "F
0B358
" / "Q
B358
".
RGB Mute:0
Y Mute:1
C2
TOF Characteristics
(4.43MHz)
/ F
0T443
/ Q
T443
BPF Characteristics
(4.43MHz)
/ F
0B443
/ Q
B443
TOF Characteristics
(3.58MHz)
/ F
0T358
/ Q
T358
BPF Characteristics
(3.58MHz)
/ F
0B358
/ Q
B358
Measure on test
mode
s;21,d;00010000
s;1A,d;xx00xxxx
BPF/TOF :0/1
Color System:
2/4
F-ID =1
C-in sw= 1 (c in)
Others: Preset
C3
C Delay Time
/ t
CDEL
Delay Time Difference
between Y/C
/
Δ
t
Y/C
APC Pull-in Range
(4.43MHz)
/
Δ
F
4APCP+
/
Δ
F
4APCP-
APC Hold Range
(4.43MHz)
/
Δ
F
4APCH+
/
Δ
F
4APCH-
APC Pull-in Range
(3.58MHz)
/
Δ
F
3APCP+
/
Δ
F
3APCP-
APC Hold Range
(3.58MHz)
/
Δ
F
3APCH+
/
Δ
F
3APCH-
Others: Preset
(1) Input a 4.43MHz PAL rainbow color-bar(300mV(p-p),
burst:chroma=1:1) with sync into Pin61.
(2) Observe the Pin51 output, measure the delay time between
Pin61 and Pin51 that is "t
CDEL
".
(3) Calculate;"
Δ
t
Y/C
"=t
YDEL
-t
CDEL
C4
Color System:
4/2
Others: Preset
(1) Input a 4.43MHz PAL rainbow color-bar(300mV(p-p),
burst:chroma=1:1) with sync into Pin61.
(2) Set Color System to 4(443PAL).
(3) For higher frequency than 4.43MHz, measure the burst
frequency at which PLL pulls-in / locks out that is F
4APCP+
/
F
4APCH+
.
(4) For lower frequency than 4.43MHz, repeat (2), that is
F
4APCP-
/ F
4APCH-
.
(5) Calculate;
"
Δ
F
4APCP+
"= F
4APCP+
- 4433619
"
Δ
F
4APCP-
"= F
4APCP-
- 4433619
"
Δ
F
4APCH+
"=F
4APCH+
-4433619
"
Δ
F
4APCH-
"=F
4APCH-
- 4433619
(6) Input a 3.58MHz NTSC rainbow color-bar (286mV(p-p),
burst:chroma=1:1) with sync into Pin61 and 58.
(7) Set Color System to 2(358NTSC).
(8) For higher frequency than 3.58MHz, repeat (2), that is
F
3APCP+
/ F
3APCH+
.
(9) For lower frequency than 3.58MHz, repeat (2), that is
F
3APCP-
/ F
3APCH-
.
(10) Calculate;
"
Δ
F
3APCP+
"=F
3APCP+
-3579545
"
Δ
F
3APCP-
"=3579545-F
3APCP-
"
Δ
F
3APCH+
"=F
3APCH+
-3579545
"
Δ
F
3APCH-
"=3579545-F
3APCH-
相關(guān)PDF資料
PDF描述
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