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參數(shù)資料
| 型號： | TB1261F |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 59/66頁 |
| 文件大小： | 1538K |
| 代理商： | TB1261F |
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TB1261F/TB1262F
2002-6-30 62 / 66
Note
Items/Symbols
Bus
Bus cccconditions
onditions
Measurement methods
D39
E-W DC EHT
Correction
/ VEWDCEHT
Trapezium
correction:
0~31
H.EHT:0/7
Others: Preset
(1) Set the BUS data of Parabola correction to 0(MAX),and
change the BUS data of Trapezium correction so that the
parabola waveform at pin33(EW OUT) is symmetrical.
(2) Supply 1V into pin28(EHT in).
(3) Set the BUS data of H.EHT to 0.
(4) Measure the vertical phase center voltage of waveform at
pin33(EW OUT),that is VEHD(0).
(5) Set the BUS data of H.EHT to 7.
(6) Measure the vertical phase center voltage of waveform at
pin33(EW OUT),that is VEHD(7).
(7) VEWDCEHT =VEHD(0)-VEHD(7)
Pin33 Waveform
center
V
EHD
(7)
V
EHP
(0)
D40
H-Bow Correction
H-Parallelogram
Correction
/ THBOWMAX
/ THBOWMIN
/ THPARAMAX
/ THPARAMIN
(1) Let the phase of the HOUT falling edge by to the H sync is
Origin when HBAW = 4 (cent).
(2) Measure the phase shifting when H BAW= 0 and 7, that is
THBOWMAX / THBOWMIN.
(3) Measure the phase shifting when H PARA= 0 and 7, that
is THPARAMAX / THPARAMIN
MAX
MIN
H-Bow Correction
MAX
MIN
H-Parallelogram Correction
D41
Noise Det level
ＶNDET3
ＶNDET15
(1) Input CVBS signals with 10MHz of sin wave for
#61(CVBS1in)
(2) Set the IICBUS of 'Nose Det Level' to 3
(3) Measure the input sin wave amplitude at the level which
the Read bus of NOISE det turned to 1, that is 1VNDET3.
(4) Set the IICBUS of 'Nose Det Level' to 15
(5) Measure the same way as (3), that is 1VNDET3.
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