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參數(shù)資料
| 型號： | DS26303 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| 中文描述： | 3.3V、E1/T1/J1、短程、8通道線路接口單元 |
| 文件頁數(shù)： | 57/97頁 |
| 文件大?。?/td> | 966K |
| 代理商： | DS26303 |
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DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
57 of 97
6.3.2 LIU Transmit Front End
It is recommended to configure the transmitter’s LIU as described in
Figure 6-4
and in
Table 6-4
. No series
resistors are required. The transmitter has internal termination for E1, J1, and T1 modes.
Figure 6-4. LIU Front End
C1
DS26303
(One Channel)
TTIP
TRING
RTIP
RRING
Dt
Dt
Dt
Dt
Ct
1:2
TFt
1:2
TFr
Tx Line
Rx Line
TVDDn
TVSSn
TVS1
3.3V
C2
3.3V
C3
AVDDn
AVSSn
3.3V
C4
Rt
C5
Rt
30
Table 6-4. LIU Front-End Values
MODE
COMPONENT
75
COAX
120
TWISTED
PAIR
100 /110
TWISTED PAIR
Tx Capacitance
Ct
560pF typical. Adjust for board parasitics for optimal return loss.
International Rectifier: 11DQ04 or 10BQ060
Motorola: MBR0540T1
Pulse: T1124 (0°C to +70°C)
Pulse: T1114 (-40°C to +85°C)
Common decoupling for all eight channels is 68 F.
Recommended decoupling per channel is 0.1 F.
Common decoupling for all eight channels is 68 F.
Common decoupling for all eight channels is 0.1 F.
When in external impedance mode, Rx capacitance for all eight
channels is 0.1 F. Do not populate if using internal impedance
mode.
When in external impedance mode, the two resistors for all modes
are 15.0 ±1%. Do not populate if using internal impedance mode.
SGS-Thomson: SMLVT 3V3 (3.3V transient suppressor)
Tx Protection
Dt
Rx Transformer 1:2
Tx Transformer 1:2
Tx Decoupling (ATVDD)
Tx Decoupling (ATVDD)
Rx Decoupling (AVDDn)
Rx Decoupling (AVDDn)
TFr
TFt
C1
C2
C3
C4
Rx Termination
C5
Rx Termination
Rt
Voltage Protection
TVS1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS26303G-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303G-75 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303GN-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303GN-75 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303L-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26303_07 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303-75DK | 功能描述:網(wǎng)絡(luò)開發(fā)工具 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS26303DK | 功能描述:網(wǎng)絡(luò)開發(fā)工具 DS26303 Dev Kit RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS26303G-120 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303G-75 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
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