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PLR135/T5P
Application Notes: PLR135 Series PCB layout for motherboard integration
To achieve better jitter and low input optical power performances, several PCB layout
guidelines must be followed. These guidelines ensure the most reliable PLR135 POF performance
for the motherboard integration. Failed to implement these PCB guidelines may affect the PLR135
jitter and low input power performances.
1. Careful decoupling of the power supplies is very important. Place a 0.1uf surface mount (size
805 or smaller) capacitor as close as (less than 2cm) to the POF Vdd and Gnd leads. The 0.1uf
act as a low impedance path to ground for any stray high frequency transient noises.
2. To reduce the digital noises form the digital IC on the motherboard, the planar capacitance
formed by an isolated Vcc and Gnd planes is critical. The POF device must be mounted directly
on these two planes to reduce the lead parasitic inductance.
3.
The isolated Vdd and Gnd planes must be connected to the main Vcc and Gnd (digital) planes
at a single point using ferrite beads. The beads are used to block the high frequency noises from
the digital planes while still allowing the DC connections between the planes
EVERLIGHT ELECTRONICS CO., LTD.
Office: No 25, Lane 76, Sec 3, Chung Yang Rd,
Tucheng, Taipei 236, Taiwan, R.O.C
Tel: 886-2-2267-2000, 2267-9936
Fax: 886-2267-6244, 2267-6189, 2267-6306
http://www.everlight.com
Everlight Electronics Co., Ltd.
http://www.everlight.com
Rev 2
Page: 8 of 8
Device NO.: DPL-135-010
Prepared date: 07-25-2005
Prepared By: Chin-Chia Hsu
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PLR135/T7 功能描述:光纤发射器、接收器、收发器 Photo Link RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装:
PLR135/T8 功能描述:光纤发射器、接收器、收发器 Photo Link RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装:
PLR135/T9 功能描述:光纤发射器、接收器、收发器 Photo Link RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装:
PLR135-T 制造商:EVERLIGHT 制造商全称:Everlight Electronics Co., Ltd 功能描述:Photolink - Fiber Optic Receiver
PLR135-T1 制造商:EVERLIGHT 制造商全称:Everlight Electronics Co., Ltd 功能描述:Photolink - Fiber Optic Receiver
PLR135-T10 制造商:EVERLIGHT 制造商全称:Everlight Electronics Co., Ltd 功能描述:Photolink- Fiber Optic Receiver
PLR135-T2 制造商:EVERLIGHT 制造商全称:Everlight Electronics Co., Ltd 功能描述:Photolink - Fiber Optic Receiver