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參數(shù)資料
| 型號： | CN8332EXF |
| 英文描述： | PCM Transceiver |
| 中文描述： | 收發(fā)器的PCM |
| 文件頁數(shù)： | 40/48頁 |
| 文件大?。?/td> | 434K |
| 代理商： | CN8332EXF |
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3.0 Applications
CN8331/CN8332/CN8333
3.1 PCB Design Considerations for CN8331/CN8332/CN8333
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
3-2
Conexant
100604B
3.1.2 Impedance Matching
It is critical that traces around the transformers and matching resistors be kept to a
minimum length and, in the following cases, the trace impedance be matched to
75
:
The impedance from the BNC connector to the transformer
The impedance from the transformer to the matching resistors
3.1.3 Other Passive Parts
The reference design uses the Pulse T3001 extended temperature range 1:1
transformer for the coupling of the BNC connector to the device.
The ferrite beads used to decouple the receive- and transmit-VDD pins and the
ferrite beads on all analog input VDD pins are type 2508056017Y0 from
Fair-Rite. The bulk capacitor used for where the power enters the board can be a
electrolytic or tantulum type capacitor, the recommended value and type is a
220
μ
f tantulum capacitor.
3.1.4 IBIS Models
IBIS (Input/Output Buffer Interface Specification) models for the
CN8331/CN8332/CN8333 are available from Conexant.
3.1.5 Recommended Vendors
Part #
T3001, Data Sheet - T619
America
Address:
Telo:
Fax:
Northern Asia
Pulse
Corporate Office
12220 World Trade Drive
San Diego, CA 92128
858-674-8100
858-674-8262
Pulse
3F-4, No. 81, Sec. 1
Hsin Tai Wu Road
Hsi-Chih
Tapei Hsien, Taiwan
R.O.C.
886-2-26980228
886-2-26980948
Pulse
1S2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
44-1483-401700
44-1483-401701
Telo:
Fair-Rite Products Corp.
P.O. Box J
One Commercial Row
Wallkill, NY 12589
914-895-2055
Telo:
Northern Europe
Telo:
Fax:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CN8333EXF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver |
| CN8333EXF28333-15ES1 | 制造商:Conexant 功能描述: |
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| CN8371-000 | 制造商:TE Connectivity 功能描述:RNF-100-3/8-WH-SP-CS5004 制造商:TE Connectivity 功能描述:RNF-100-3/8-WH-SP-CS5004 - Bulk |
| CN8373-000 | 制造商:TE Connectivity 功能描述:XFFR-30-04/97 - Bulk |
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