參數(shù)資料
型號(hào): 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): 66/115頁
文件大?。?/td> 1413K
代理商: TA1316AN
TA1316AN
2002-10-04
54
Test Conditions for Luminance
Common Test Conditions for Luminance
(1)
SW4 = SW5 = B, SW7 = OPEN, SW8~SW10 = B, SW20 = ON, SW23 = B, SW33SW39 = A, SW54 = 54 = ON
(2)
After sending bus control data with preset values, set ACB MODE to off (00) and SYNC INPUT-SW to sync input (10).
(3)
Input sync signal [signal in sync with input signal used for testing, except for sweep signal] to pin 14 (SYNC IN). Set horizontal frequency to that of pin 14.
(4)
Set pin 7 to open, Y/color difference signal input mode (YUV INPUT MODE) to Through (10), SYNC SEP-LEVEL to 20% (01) and vertical free-running frequency
to 307H (110).
Test Conditions
SW mode
Note No.
Parameter
SW1
SW2
SW3
SW56
Test Method (test conditions: VCC = 9 V/2 V, Ta = 25° ± 3°C)
P01
Black detection level shift
B
C
OPEN (1) Connect external power supply (PS) to pin 3 and monitor pins 2 and 56.
(2) Set black stretch point 1 to off (000) and black detection level (BDL) to 0 IRE (1).
(3) Increase PS voltage from 4.95 V in 1-mV steps. When pin 2 picture period (High) goes Low, measure pin 56
DC differential VB.
(4) Set black detection level (BDL) to 3 IRE (0).
(5) Repeat step (3) above and measure pin 56 DC differential VB3.
P02
Black stretch amplifier maximum gain
B
A
OPEN (1) Set SW2 to A (maximum gain) and input 500-kHz sine wave to TPA.
(2) Adjust signal amplitude to 0.1 Vp-p using pin 3.
(3) Set black stretch point 1 to off (000) and measure pin 56 amplitude VA.
(4) Set black stretch point 1 to 001 (black stretch on) and measure pin 56 amplitude VB.
(5) Calculate GBS using the following formula.
GBS
= 20 × og (VB ÷ VA) [dB]
VB, VB3
Pin 56 waveform
Pin 2 waveform
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