REV. 1.0.7 4.7 Line Termination (TTIP/TRING) The output stage of t" />
參數(shù)資料
型號: XRT83SH38IB-F
廠商: Exar Corporation
文件頁數(shù): 30/78頁
文件大?。?/td> 0K
描述: IC LIU SH T1/E1/J1 8CH 225BGA
標(biāo)準(zhǔn)包裝: 84
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 8/8
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
XRT83SH38
33
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
4.7
Line Termination (TTIP/TRING)
The output stage of the transmit path generates standard return-to-zero (RZ) signals to the line interface for T1/
E1/J1 twisted pair or E1 coaxial cable. The physical interface is optimized by placing the terminating
impedance inside the LIU. This allows one bill of materials for all modes of operation reducing the number of
external components necessary in system design. The transmitter outputs only require one DC blocking
capacitor of 0.68F. For redundancy applications (or simply to tri-state the transmitters), set TxTSEL to a "1" in
the appropriate channel register. A typical transmit interface is shown in Figure 22.
FIGURE 22. TYPICAL CONNECTION DIAGRAM USING INTERNAL TERMINATION
T
TIP
T
RING
XRT83SH38 LIU
1:2
Internal Impedance
Line Interface T1/E1/J1
C=0.68uF
One Bill of Materials
Transmitter
Output
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