參數(shù)資料
型號(hào): XRT83SL216IB
廠商: EXAR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA289
封裝: 15 X 15 MM, STBGA-289
文件頁(yè)數(shù): 25/42頁(yè)
文件大小: 317K
代理商: XRT83SL216IB
XRT83SL216
23
REV. 1.0.0
16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
3.1.3
Digital Loopback
With digital loopback activated, the transmit input data at TCLK/TPOS/TNEG is looped back to the receive
output data at RCLK/RPOS/RNEG. The receive input data at RTIP/RRING is ignored while valid transmit
output data continues to be sent to the line. A simplified block diagram of digital loopback is shown in
Figure 17
.
F
IGURE
17. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
D
IGITAL
L
OOPBACK
3.2
Interfacing the Transmit Section of the XRT83L216 to the Line
ITU-T G.703 specifies that the E1 line signal can be transmitted over coaxial cable and terminated with 75
or
transmitted over twisted-pair and terminated with 120
.
In both applications (e.g., 75
or 120
, the user is advised to interface the Transmitter to the Line, in the man-
ner as depicted in
Figure 18
and
Figure 19
, respectively.
F
IGURE
18. I
NTERFACING
THE
XRT83L216
TO
THE
LINE
FOR
75
A
PPLICATIONS
(1 C
HANNEL
SHOWN
)
Encoder
Decoder
Timing
Control
Data and
Clock
Recovery
JA
JA
Tx
Rx
TAOS
TTIP
TRING
RTIP
RRING
TCLK
TPOS
TNEG
RCLK
RPOS
RNEG
+3.3 V
R Load
75
18.7
9.1
9.1
2 :1
2 : 1
RTIP
RRING
TTIP
TRING
0.1
μ
F
TVDD
AVDD
TNEG/CODE
TPOS/TData
TClk
RPOS/RData
RNEG/LCV
RClk
AGND
TGND
10
μ
F
Rx Input
Tx Output
75
Coax
75
Coax
75
Signal
Source
RVDD
0.1
μ
F
0.1
μ
F
Ferrite
Bead
相關(guān)PDF資料
PDF描述
XRT83SL28 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL28IV 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL30 SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL30IV SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83VSH28 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83SL216IB-F 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
XRT83SL28 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL28ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8 CH E1 LIU SH RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83SL28IV 功能描述:接口 - 專用 . . RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
XRT83SL28IV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray