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參數(shù)資料
| 型號： | XRT5894IV-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 6/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E1 QUAD 64TQFP |
| 標準包裝： | 160 |
| 類型： | 線路接口裝置（LIU） |
| 驅動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | E1 |
| 電源電壓： | 3.14 V ~ 3.47 V，4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應商設備封裝： | 64-TQFP（10x10） |
| 包裝： | 托盤 |
| 其它名稱： | 1016-1480 XRT5894IV-F-ND |
XRT5894
14
Rev. 1.10
Transmitter Output Return Loss Measurements
The following measurements were made with a Wandel
and Goltermann SNA--2 Network Analyzer equipped with
an RFZ--1 75W Return Loss Bridge. A 75W to 120W
impedance matching transformer was used to make the
120W measurement. A network analyzer calibration run
subtracted out the effects of this transformer.
Test Conditions:
D
Output transformer ratio was 1:2.
D
Transmitter series resistors (R3 and R4 in Figure 1)
were 9.1W .
D
Device was powered from a 3.3V source, transmitter
was enabled, and no output data was present.
This configuration was used for both 75W and 120W
measurements. The only change was the termination
resistance provided by the return loss bridge.
Test Results:
Table 5
compares measured output return loss with
requirements in ETSI FINAL DRAFT prETS 300 166,
June 1993. These results show that measured return loss
is mainly determined by the characteristics of the output
transformer. This is particularly evident for the 120W load
where the measured result is better than the calculated
value.
Specified
Frequency
(KHz)
ETSI Spec.
(Min. dB)
Meas. Value (dB)
75W Load
Meas. Value (dB)
120W Load
0.025 fb
51.2
6
22.6
15.4
0.05 fb
102.4
8
22.6
15.7
1.5 fb
3072
8
18.0
14.6
Table 5. Transmitter Output Return Loss Measurements
Notes:
fb = 2048KHz
This data shows that the XRT5894 is fully compliant with the ETSI Output Return Loss Specification for E1 operation with either
75W or 120W loads.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XRT5894IVTR-F | 功能描述:接口 - 專用 QuadE1 LIU3.3/5.5V RoHS:否 制造商:Texas Instruments 產(chǎn)品類型: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 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| XRT5897 | 制造商:EXAR 制造商全稱:EXAR 功能描述:Seven-Channel E1 Line Interface |
| XRT5897ES | 功能描述:外圍驅動器與原件 - 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 |
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