參數(shù)資料
型號(hào)： TB1245N
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： PLASTIC, SDIP-56
文件頁(yè)數(shù)： 50/101頁(yè)
文件大小： 1490K
代理商： TB1245N
TB1245N
2001-07-26
52
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C)
SW MODE
NOTE
ITEM
S26
S1
S31
S33
S34
S39
S42
S44
S45
S51
MEASURING METHOD
C11
Killer Operation
Input Level
OFF
A
B
A
B
(1) Connect band pass filter (Q = 2) and set to TV mode (fo = 600 kHz).
(2) Set the crystal mode to conform to European, Asian system and set the gate to normal
status.
(3) Input 3N color signal having 200 mVp-p burst to pin 42 (Chroma IN).
(4) While attenuating chroma input signal, measure input burst amplitudes of the signal
when B-Y color difference output of pin 36 is discolored and when the same signal is
colored. Measured input burst amplitudes shall be expressed as 3N-VTK1 and
3N-VTC1 respectively (killer operation input level).
(5) Killer operation input level in the condition that P / N killer sensitivity is set to LOW with
the bus control is expressed as 3N-VTK2 or 3N-VTC2.
(6) Perform the same measurement as the above step 4 with different inputs of 4N, 4P, MP,
NP color signals having 200 mVp-p burst to pin 42 (Chroma IN). (When measuring with
MP / NP color signal, set the crystal system to conform to South American system.)
(7) Killer operation input level at that time is expressed as follows.
Normal killer operation input level in the 4N system is expressed as 4N-VTK1,
4N-VTC1.
Normal killer operation input level in the 4P system is expressed as 4P-VTK1, 4P-VTC1.
Killer operation input level with low killer sensitivity is expressed as 4P-VTK2, 4P-VTC2
Normal killer operation input level in the MP system is expressed as MP-VTK2,
MP-VTC2.
Normal killer operation input level in the NP system is expressed as NP-VTK1,
NP-VTC1.
Killer operation input level with low killer sensitivity is expressed as NP-VTK2,
NP-VTC2.
[Reference] 3N system : 3.579545 MHz
NTSC
4N system : 4.433619 MH z
False NTSC
4P system : 4.433619 MHz
PAL
MP system : 3.575611 MHz
M-PAL
NP system : 3.582056 MHz
N-PAL
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