參數(shù)資料
型號: TB1245N
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: PLASTIC, SDIP-56
文件頁數(shù): 72/101頁
文件大?。?/td> 1490K
代理商: TB1245N
TB1245N
2001-07-26
72
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin3 = 9V ; pin8 38 41 = 5V)
SW MODE
SUB ADDRESS &
DATA
NOTE
ITEM
S26
07H
0FH
11H
MEASURING METHOD
H8
Direct Delay AC Gain
Difference
94H
8CH
(1) GBYD = GBY1 GBY2
(2) GRYD = GRY1 GRY2
H9
Color Difference Output
DC Stepping
8CH
(1) Measure pin 36 (B-Yout) DC stepping of the picture period.
(2) Measure pin 35 (R-Yout) DC stepping of the picture period.
(1) Input waveform 2 to pin 33 (B-Yin). And measure the time deference BDt of pin 36 (B-Yout).
H10 1H Delay Quantity
ON
8CH
(2) Input waveform 2 to pin 34 (R-Yin). And measure the time
diference RDt of pin 36 (B-Yout).
H11
Color Difference Output
DC-Offset Control
8CH
20H
00H
88H
FFH
(1) Set Sub-Address 11h ; data 88h. Measure the pin 36 DC voltage, that is BDC1.
(2) Set Sub-Address 11h ; data 88h. Measure the pin 35 DC voltage, that is RDC1.
(3) Set Sub-Address 11h ; data 00h. Measure the pin 36 DC voltage, that is BDC2.
(4) Set Sub-Address 11h ; data 00h. Measure the pin 35 DC voltage, that is RDC2.
(5) Set Sub-Address 11h ; data FFh. Measure the pin 36 DC voltage, that is BDC3.
(6) Set Sub-Address 11h ; data FFh. Measure the pin 35 DC voltage, that is RDC3.
(7) Bomin = BDC2 BDC1, Bomax = BDC3 BDC1, Romin = RDC2 RDC1, Romax = RDC3 RDC1
H12
Color Difference Output
DC-Offset Control /
Min. Control Quantity
A4H
00H
89H
(1) Measure the pin 36 DC voltage, that is BDC4.
(2) Measure the pin 35 DC voltage, that is RDC4.
(3) Bo1 = BDC4 BDC1, Ro1 = RDC4 RDC1.
H13
NTSC Mode Gain /
NTSC-COM Gain
94H
80H
(1) Input waveform 1, that is set 0.3 Vp-p and f = 100 kHz, to pin 33. Measure pin 36 output level, that is VBNC.
(2)
GNB = 20 og (VBNC / VB100)
(3) In the same way as (1) and (2), measure the pin 36 output level, that is VRNC.
GNR = 20 og (VRNC / VR100)
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