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參數(shù)資料
| 型號： | XRT5897 |
| 廠商： | Exar Corporation |
| 英文描述： | Seven-Channel E1 Line Interface (3.3V or 5.0V)(七通道E1 3.3V線接口單元) |
| 中文描述： | 七通道E1線路接口（3.3V或5.0V），（七通道素E1 3.3線接口單元） |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 959K |
| 代理商： | XRT5897 |
XRT5897
11
Rev. 1.10
RETURN LOSS SPECIFICATIONS
The following transmitter and receiver return loss specifications are based on a typical 1:2CT ratio transformer.
75
120
Frequency Range
Min.
Typ.
Min.
Typ.
Unit
51kHz to 102kHz
16
22
10
15
dB
102kHz to 2.048MHz
16
22
10
15
dB
2.048MHz to 3.072MHz
11
18
10
14
dB
Table 3. Transmitter Return Loss Specification
Transmit Return Loss Notes
D
Output transformer ratio is 1:2 (return loss exceeds
ETSI 300 166 with this transformer).
D
For both 75
and 120
applications, 9.1
, 1% re-
sistors are connected between each end of the
transformer primary and the XRT5897 TTIP and
TRING pins.
75
120
Frequency Range
Min.
Typ.
Min.
Typ.
Unit
51kHz to 102kHz
16
28
15
18
dB
102kHz to 2.048MHz
22
34
22
25
dB
2.048MHz to 3.072MHz
18
26
20
30
dB
Table 4. Receiver Return Loss Specification
Receiver Return Loss Notes
D
Input transformer ratio is 1:2 CT.
D
Transformer center tap is grounded.
D
Each half of transformer secondary is terminated
with 150
for 75
operation, or 240
for 120
op-
eration (resistors are 1% tolerance).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT5897ES | 功能描述:外圍驅(qū)動器與原件 - PCI 7 CH E1 AFE 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 |
| XRT5897IV | 功能描述:外圍驅(qū)動器與原件 - PCI 7CH E1 LIU 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 |
| XRT5897IV-F | 功能描述:外圍驅(qū)動器與原件 - PCI 7 Ch.E1LIU3.3/5.5V 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 |
| XR-T5990CN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| XR-T5990CP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
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