参数资料
型号: TA1316AN
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: 0.600 INCH ,1.78 MM PITCH, PLASTIC, SDIP-56
文件页数: 91/115页
文件大小: 1413K
代理商: TA1316AN
TA1316AN
2002-10-04
77
Test Conditions
SW mode
Note No.
Parameter
SW1
SW2
SW3
SW56
Test Method (test conditions: VCC = 9 V/2 V, Ta = 25° ± 3°C)
P26
APACON white peak limiter
B
A
ON
(1) Set picture mute to off (P-MODE: Normal1 (000)), UNI-COLOR to 1101000, SHR-TRACKING to SRT-GAIN
maximum (00) and CDE to maximum (11). Input T pulse signal (0.7 VP-P) to TPA.
(2) Set PICTURE-SHARPNESS to maximum (111111) and APACON PEAK f0 to 5 M (11), and monitor pin 43.
(3) When APACON white peak limiter is off (000), measure positive spike amplitude VWPLOFF1.
(4) When APACON white peak limiter is at maximum (111), measure positive spike amplitude VWPLMAX1.
(5) Set UNI-COLOR to center (1000000). When APACON white peak limiter is off (000) and at maximum (111),
measure positive spike amplitudes VWPLOFF2 and VWPLMAX2.
(6) Set UNI-COLOR to minimum (0000000). When APACON white peak limiter is off (000) and at maximum
(111), measure positive spike amplitudes VWPLOFF3 and VWPLMAX3.
(7) Calculate using the following formulae.
GWPL1 = 20 × og (VWPLMAX1/VWPLOFF1) [dB]
GWPL2 = 20 × og (VWPLMAX2/VWPLOFF2) [dB]
GWPL3 = 20 × og (VWPLMAX3/VWPLOFF3) [dB]
VWPLOFF
VWPLMAX
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