Figure-3 E1 Waveform Template Diagram<" />
參數(shù)資料
型號: IDT82V2042EPFG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 11/83頁
文件大?。?/td> 0K
描述: IC LIU T1/J1/E1 2CH SHORT 80TQFP
標(biāo)準(zhǔn)包裝: 45
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.13 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-TQFP(14x14)
包裝: 托盤
其它名稱: 82V2042EPFG
IDT82V2042E
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
FUNCTIONAL DESCRIPTION
19
December 12, 2005
Figure-3 E1 Waveform Template Diagram
Figure-4 E1 Pulse Template Test Circuit
For T1 applications, the pulse shape is shown in Figure-5 according to
the T1.102 and the measuring diagram is shown in Figure-6. This also
meets the requirement of G.703, 2001. The cable length is divided into five
grades,andtherearefivepulsetemplatesusedforeachofthecablelength.
The pulse template is selected by PULS[3:0] bits (TCF1, 05H...).
Figure-5 DSX-1 Waveform Template
Figure-6 T1 Pulse Template Test Circuit
For J1 applications, the PULS[3:0] (TCF1, 05H...) should be set to
‘0111’. Table-10 lists these values.
-0 .6
-0 .4
-0 .2
0
0 .2
0 .4
0.6
-0 .2 0
0.00
0.2 0
0.4 0
0.6 0
0.8 0
1.00
1.2 0
T im e in U n it In te rv a ls
No
rm
alize
dA
m
plitu
de
IDT82V2042E
VOUT
RLOAD
TTIPn
TRINGn
Note: 1. For RLOAD = 75
(nom), Vout (Peak)=2.37V (nom)
2. For RLOAD =120
(nom), Vout (Peak)=3.00V (nom)
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
0
250
500
750
1000
1250
Time (ns)
Normalized
Amplitude
IDT82V2042E
TTIPn
TRINGn
Cable
RLOAD VOUT
Note: RLOAD = 100
± 5%
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IDT82V2044BBG 功能描述:IC LIU T1/E1 QUAD SHORT 160-BGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
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