參數(shù)資料
型號: TA1316AN
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, PLASTIC, SDIP-56
文件頁數(shù): 92/115頁
文件大?。?/td> 1413K
代理商: TA1316AN
TA1316AN
2002-10-04
78
Test Conditions for Color Difference Signal 1/YUV Input and Matrix
Common Test Conditions for Color Difference Signal 1/YUV Input and Matrix
(1)
SW1 = B, SW2 = B, SW20 = ON, SW33SW39 = A, SW54 = OPEN, SW56 = OPEN
(2)
Send BUS control data with preset values.
(3)
Set ACB MODE to off (0) and high bright color (HI BRT) to off (0).
(4)
Input sync signal [signal in sync with input signal for testing, except for SWEEP signal] to pin 14 (SYNC IN) and set SYNC-INPUT to (10).
Test Conditions
SW mode
Note No.
Parameter
SW3
SW4
SW5
SW7
Test Method (test conditions: VCC = 9 V/2 V, Ta = 25° ± 3°C)
C
A
OPEN
SW8
SW9
SW10
S01
Color SRT gain
B
(1) Set Y mute to on (P-MODE: Y-MUTE (001)), YUV INPUT MODE to Through (10), BRIGHTNESS to center
(10000000), COLOR to center (1000000) and UNI-COLOR to maximum (1111111).
(2) Input 2T pulse signal to TP4 and set pin 4 amplitude to 350 mVP-P.
(3) Monitor pin 41 output waveform. When C-SRT-FREQ is 5 MHz (00), measure edge gradients SB00MIN,
SB00CEN and SB00MAX when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111) as
in shown in the figure below. Set SB00MIN to 0 dB, determine GSB00CEN = 20 × og (SB00CEN/SB00MIN)
and GSB00MAX = 20 × og (SB00MAX/SB00MIN).
(4) Repeat step (3) above, setting C-SRT-FREQ to 6.7 MHz (01) and 10 MHz (10), and measure edge gradients
when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111). Determine GSB01CEN,
GSB10CEN, GSB01MAX and GSB10MAX.
(5) Input 2T pulse signal to TP5 and set pin 5 amplitude to 350 mVP-P.
(6) Monitor pin 43 output waveform. When C-SRT-FREQ is 5 MHz (00), measure edge gradients SR00MIN,
SR00CEN and SR00MAX when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111) as
shown in the figure below. Set SR00MIN to 0dB, determine GSR00CEN = 20 × og (SR00CEN/SR00MIN)
and GSR00MAX = 20 × og (SR00MAX/SR00MIN).
(7) Repeat step (3) above,
setting C-SRT-FREQ to
6.7 MHz (01) and 10
MHz (10), and measure
edge gradients when
COLOR SRT GAIN is at
minimum (000), center
(100) and maximum
(111). Determine
GSR01CEN, GSR10CEN,
GSR01MAX and
GSR10MAX.
10%
100%
T
***
10%
V
***
Gradient
S
*** = V***/T***
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