參數(shù)資料
型號: TA1310N
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56
文件頁數(shù): 31/101頁
文件大?。?/td> 2221K
代理商: TA1310N
TA1310N
2001-06-25
35
(TEST CONDITIONS VCC = 9 V / 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW54 SW55
SW56
MEASUREMENT METHOD
P10
Black Level Compensation
C
A
OPEN
1) Set the bus control data to the preset value.
2) Set SW54 to C (connect the Y input to AC-GND), set SW55 to A (maximum gain), turn the Y mute off (0), and turn
the black level compensation on (set the black stretch start point to 000).
3) Observe #56, measure V, and calculate the following formula.
BLC [(IRE)] = (V [mV] ÷ (0.7 × 10
3
) [mV]) × 100 [(IRE)]
P11
Black Peak Detection Level
C
OPEN
1) Set the bus control data to the preset value.
2) Turn the Y mute off (0) and connect #54 to an external power supply (PS).
3) Turn the black level correction on (set the black stretch start point to 000).
4) Increase the PS from 3V and measure the voltage VBP of #56 where the DC level of the picture period of #55 shifts
from high to low.
5) Calculate VBP from the following formula.
VBP = VBP V56
Note 1: When testing, see the picture sharpness test circuit diagram.
Note 2: Ensure the composite signal is always input to pin 38 (SYNC IN).
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