參數(shù)資料
型號: TB1254N
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, PLASTIC, SDIP-56
文件頁數(shù): 38/58頁
文件大?。?/td> 526K
代理商: TB1254N
Ver3.7
00/01/28 43
SECAM STAGE
Note
Items/Symbols
Bus conditoins
Measurement methods
SE1
Bell
Monitor
output
voltage
/ embo
RGB Mute:0
TEST Mode:
00001000
Sub Add.”1A”:
X0111XXX
Others:Preset
(1) Input a 75% color bar signal (200mVp-p at R ID) into Pin43.
(2) Set BUS data so that “
(3) TEST Mode” is 00001000 and Sub address “0A” is X0111XXX.
(3) Measure R-Y ID amplitude at Pin13, that is "ebmo".
SE2
Bell filter f0
/ f0B-C
RGB Mute:00
TEST Mode:
00001000
Sub Add.”0A”:
X0111XXX
Bell f0:0
Y Mute:1
Others:Preset
(1) Input a 20mVp-p sine wave whose frequency is sweep into
Pin43.
(2) Set BUS data so that “TEST Mode” is 00001000 and Sub
address “0A” is X0111XXX.
(3) Measure the frequency at which Pin13 output is the biggest,
that is "f0BEL" .
(4) Calculate : "f0B-C"=f0BEL-4,286 [kHz].
SE3
Bell filter f0 variable
range
/ f0B-VR
RGB Mute:00
TEST Mode:
00001000
Sub Add.”0A”:
X0111XXX
Bell f0:1
Y Mute:1
Others:Preset
(1) Input a 20mVp-p sine wave whose frequency is sweep into
Pin43.
(2) Set BUS data so that “TEST Mode” is 00001000 and Sub
address “0A” is X0111XXX.
(3) Set BUS data so that “Bell f0” is +35kHz.
(4) Measure the frequency at which Pin 13 output is the biggest,
that is f0BELH.
(5) Calculate : " f0B-VR "= f0BELH -4,286 [kHz]
SE4
Bell filter Q
/ QBEL
RGB Mute:00
TEST Mode:
00001000
Sub Add.”0A”:
X0111XXX
Y Mute:1
Others:Preset
(1)Input a 20mVp-p sine wave whose frequency is sweep into
Pin43.
(2)Set BUS data so that “TEST Mode” is 00001000 and Sub
address “0A” is X0111XXX.
(4) Observe the frequency response of Pin13 output.
(5) Calculate : "QBEL = (MAX-3dB Band Width)/f0BEL.
SE5
Color
difference
output amplitude
/ VBS
/ VRS
RGB Mute:00
Uni-Color:63
Y Mute:1
Others:preset
(1) Input a 75% color bar(200mVp-p at R ID) into Pin43.
(2) Measure the R-Y output amplitude at Pin20, that is "VRS".
(3) Measure the B-Y output amplitude at Pin22, that is "VBS".
SE6
Color
Difference
Relative Amplitude
/ R/B-S
(1)Calculate : "R/B-S"=VRS/VBS
SE8
Color Difference S/N
Ratio
/ SNB-S
/ SBR-S
RGB Mute:00
Uni-Color:63
Y Mute:1
Others:preset
(1) Input a 200mVp-p non-modulated chroma signal into Pin43.
(2) Measure the amplitude of noise on Pin20, that is nR.
(3) Measure the amplitude of noise on Pin22, that is nB.
(4) Calculate : "SNB-S"=20log(22VBS/nB)
"SNR-S"=20log(22VRS/nR)
相關(guān)PDF資料
PDF描述
TB1261F SPECIALTY CONSUMER CIRCUIT, PQFP80
TB1274BFG SPECIALTY CONSUMER CIRCUIT, PQFP48
TB1305FG SYNC SEPARATOR IC, PQFP48
TB1308FG SYNC SEPARATOR IC, PQFP48
TB1308FG SYNC SEPARATOR IC, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TB125G 制造商:GARVIN 功能描述:1G Mason Bx, 2-1/2 D, gangabl
TB125M 制造商:Thomas & Betts 功能描述:1 1/4"SERIES 35 CONDUIT BODY 制造商:Thomas & Betts 功能描述:Series 35 Conduit Outlet Bodies And Covers
TB125MCG 制造商:Thomas & Betts 功能描述:TB100M WITH COVER AND GASKET
TB1261F 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
TB1262F 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC