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參數(shù)資料
| 型號： | XRT83SL30 |
| 廠商： | Exar Corporation |
| 英文描述： | SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| 中文描述： | 單通道的T1/E1/J1上海收發(fā)器時鐘恢復和抖動衰減器 |
| 文件頁數(shù)： | 31/76頁 |
| 文件大?。?/td> | 376K |
| 代理商： | XRT83SL30 |
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XRT83SL30
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.4
28
TRANSMITTER
T
RANSMIT
T
ERMINATION
M
ODE
In
Hardware
mode, TXTSEL (Pin 45) can be tied “High” to select internal termination mode or tied “Low” for
external termination. In
Host
mode, bit 6 in the appropriate register is set “High” to select the internal
termination mode for the transmit channel, see
Table 19, “Microprocessor Register #1 bit description,” on
page 44
.
For internal termination, the transformer turns ratio is always 1:2. In internal mode, no external resistors are
used. An external capacitor of 0.68
μ
F is used for proper operation of the internal termination circuitry, see
Figure 11
.
E
XTERNAL
T
RANSMIT
T
ERMINATION
M
ODE
By default the XRT83SL30 is set for external termination mode at power up or at
Hardware
reset.
When external transmit termination mode is selected, the internal termination circuitry is disabled. The value of
the external resistors is chosen for a specific application according to the turns ratio selected by TRATIO (Pin
26) in
Hardware
mode or bit 0 in the appropriate register in
Host
mode, see
Table 10
and
Table 21,
“Microprocessor Register #3 bit description,” on page 49
.
Figure 12
is a simplified block diagram for T1 (100
)
in the external termination mode.
Figure 13
is a simplified block diagram for E1 (75
) in the external
termination mode.
F
IGURE
13. S
IMPLIFIED
D
IAGRAM
FOR
E1
IN
E
XTERNAL
T
ERMINATION
M
ODE
(RXTSEL= 0)
T
ABLE
8: T
RANSMIT
T
ERMINATION
C
ONTROL
TXTSEL
TX TERMINATION
T
X
T
RANSFORMER
R
ATIO
0
EXTERNAL
1:2.45
1
INTERNAL
1:2
T
ABLE
9: T
ERMINATION
S
ELECT
C
ONTROL
TERSEL1
TERSEL0
TERMINATION
0
0
100
0
1
110
1
0
75
1
1
120
9.1
9.1
TTIP
TRING
RTIP
RRING
75
XRT83SL30 LIU
75
75
1:2
1:1
相關PDF資料 |
PDF描述 |
|---|---|
| XRT83SL30IV | SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83VSH28 | 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83VSH28IB | 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83VSH314 | 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83VSH314IB | 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SL30ES | 功能描述:外圍驅動器與原件 - PCI 1 CHT1/E1 LIUSH RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SL30IV | 制造商:EXAR 制造商全稱:EXAR 功能描述:SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83SL30IV-F | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT83SL30IVTR-F | 功能描述:外圍驅動器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SL314 | 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
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