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參數(shù)資料
| 型號： | LA7615 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip NTSC Color TV IC |
| 中文描述： | 單片集成電路NTSC制式彩電 |
| 文件頁數(shù)： | 22/39頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LA7615 |
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No. 5841-22/39
LA7615
Continued from preceding page.
Parameter
Symbol
Test point
Input signal
Test procedure
Bus bits/input signal
[RGB Output Block]
(Cutoff and Drive Blocks)
Bias (cutoff) control
(minimum)
(maximum)
Bias (cutoff) control resolution
Sub-bias control resolution
Maximum drive adjustment
output
Output attenuation
Vbias0
Vbias128
Vbiassns
Vsbiassns
RGBout63
RGBout0
L-50
L-50
L-100
Measure the output signal 0 IRE DC levels of the R
output (pin 36), G output (pin 37), and B output (pin
38) and record these as Vbias0
*
(V), where
*
: R, G,
and B, respectively.
Measure the output signal 0 IRE DC levels of the R
output (pin 36), G output (pin 37), and B output (pin
38) and record these as Vbias128
*
(V), where
*
: R,
G, and B, respectively.
Measure the output signal 0 IRE DC levels of the R
output (pin 36), G output (pin 37), and B output (pin
38) and record these as BAS80
*
(V), where
*
: R, G,
and B, respectively.
Measure the output signal 0 IRE DC levels of the R
output (pin 36), G output (pin 37), and B output (pin
38) and record these as BAS48
*
(V), where
*
: R, G,
and B, respectively.
Vbiassns
*
= (BAS80
*
– BAS48
*
)/32
Measure the output signal 0 IRE DC levels of the R
output (pin 36), G output (pin 37), and B output (pin
38) and record these as SBTPM
*
(V), where
*
: R,
G, and B, respectively.
Vsbiassns
*
= (BRTPC
*
– SBTPM
*
)
Measure the output signal 100 IRE DC amplitudes of
the R output (pin 36), G output (pin 37), and B output
(pin 38) and record these as DRV
H
*
(Vpp), where
*
:
R, G, and B, respectively.
Measure the output signal 100 IRE DC amplitudes of
the R output (pin 36), G output (pin 37), and B output
(pin 38) and record these as DRV
L
*
(Vpp), where
*
:
R, G, and B, respectively.
RGBout0
*
= 20 log(DRV
H
*
/DRV
L
*
)
TR24: CONTRAST
111111
TR22: SUB-BIAS
R, G, B 000000
TR16: R BIAS
111111
TR:
G BIAS
111111
TR18: B BIAS
111111
TR24: CONTRAST
111111
TR22: SUB-BIAS
R, G, B 111111
TR16: R BIAS
1010000
TR17: G BIAS
1010000
TR18: B BIAS
1010000
TR24: CONTRAST
111111
TR16: R BIAS
0110000
TR17: G BIAS
0110000
TR18: B BIAS
0110000
TR24: CONTRAST
11111
TR22: SUB-BIAS
R, G, B 101010
TR24: CONTRAST
111111
TR23: Brightness
000000
TR24: CONTRAST
111111
TR23: Brightness
000000
TR19: R DRIVE
000000
TR20: G DRIVE
000000
TR21: B DRIVE
000000
36
37
38
36
37
38
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PDF描述 |
|---|---|
| LA7620 | Color TV Video, Chroma, Deflection Circuit |
| LA7625 | Video, Chroma and Deflection Circuit for Color Television Sets |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7620 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV Video, Chroma, Deflection Circuit |
| LA7621 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA7625 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7626 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets |
| LA7629 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV/Video,Chroma,Deflection Circuit |
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