參數(shù)資料
型號(hào)： TB1254N
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, PLASTIC, SDIP-56
文件頁(yè)數(shù)： 41/58頁(yè)
文件大?。?/td> 526K
代理商： TB1254N
Ver3.7
00/01/28 46
Note
Items/Symbols
Bus conditoins
Measurement methods
T9
Analog RGB Dynamic
Range
/ DRTX
RGB Mute:0
R cut off:63
DC rest.:10
RGB Contrast:32
Ysm Mode:1
Others:Preset
(1)Input a composite sync signal into Pin38.
(2)Supply 2V to Pin15.
(3)Input a signal of following figure into Pin16.
(4)Increasing the amplitude of Pin16 input, measure the amplitude
at which
the Pin20 amplitude stops increasing, that is "DRTX".
Amplitude V
0
Sinusoidal wave
Frequency f
0
pin38 input
pin16 input
T10
Analog RGB Contrast
Control Characteristic
/ GTXCMAX
/ GTXCCEN
/ GTXCMIN
RGB Mute:0
R cut off:63
DC rest.:10
Ysm Mode:1
RGB Contrast:
0/32/63
Others:Preset
(1)Input a cmposite sync signal into Pin38.
(2)Supply 2V to Pin15.
(3)Input a signal of NOTE:T9 figure(f0=100kHz,V0=0.2Vp-p) into
Pin16.
(4)For RGB Contrast 63/32/0, measure the amplitude of Pin20
output, that is
VTXCMAX / VTXCCEN / VTXCMIN.
(5)Calculate; "GTXCMAX"=20*log(VTXCMAX/0.2)
"GTXCCEN"=20*log(VTXCCEN/0.2)
"GTXCMIN"=20*log(VTXCMIN/0.2)
T11
Analog
RGB
Brightness
Control
Characteristic
/ VTXBRMAX
/ VTXBRCEN
/ VTXBRMIN
RGB Mute:0
R cut off:63
DC rest.:10
Ysm Mode:1
Brightness:
0/64/127
Others:Preset
(1)Supply 2V to Pin15.
(2)Connect Pin16 to GND via a 0.1uF capacitor.
(3)For Brightness 127/64/0, measure the DC level of picture period
at Pin20,
that is "VTXBRMAX" / "VTXBRCEN" / "VTXBRMIN".
T12
Analog
RGB
Mode
Switching Level
/ VYS
RGB Mute:0
Ysm Mode:1
RGB Contrast:32
Others:Preset
(1)Input a cmposite sync signal into Pin38.
(2)Input a signal of NOTE:T9 figure into Pin16.
(3)Increasing the Pin15 voltage, measure the voltage at which the
signal
inputted into Pin16 appears at Pin20, that is "VYS".
T13
Analog
RGB
Mode
Transfer
Characteristic
/
RYS
/ tPRYS
/
FYS
/ tPFYS
RGB Mute:0
R cut off:63
DC rest.:10
Ysm Mode:1
Others:Preset
(1)Input a 50IRE Y singnal with sync into Pin38&39.
(2)Connect Pin16 to GND via a 0.1uF capacitor.
(3)According to following figure, measure the Analog RGB Mode
Transfer
Characteristic.
1H
20 s
20 ns
tPR
YS
tPF
YS
50%
100%
0%
50%
90%
10%
R
YS
F
YS
Pin15 Input
Pin20 Output
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