參數(shù)資料
型號(hào)： VSC7939
廠商： Vitesse Semiconductor Corporation.
英文描述： Laser Diode Driver with Automatic Power Control
中文描述： 激光二極管驅(qū)動(dòng)器，帶有自動(dòng)功率控制
文件頁(yè)數(shù)： 15/18頁(yè)
文件大?。?/td> 226K
代理商： VSC7939
VITESSE
Preliminary Data Sheet
VSC7939
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
G52350-0, Rev 3.2
02/26/01
Page 15
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Standard values for these values are R
MODMON
= 232
and R
BIASMON
= 464
. A voltage of 4.8V at
MODMON would indicate a modulation current of:
I
MOD
= (5.2V - 4.8V) * 28 / 232mA = 48mA
Wire Bonding
For best performance, gold ball-bonding techniques are recommended. Wedge bonding is not recom-
mended. For best performance and to minimize inductance keep wire bond lengths short.
PCB Layout Guidelines
Use high frequency PCB layout techniques with solid ground planes to minimize crosstalk and EMI. Keep
high speed traces as short as possible for signal integrity. The output traces to the laser diode must be short to
minimize inductance. Short output traces will provide best performance.
相關(guān)PDF資料
PDF描述
VSC7939RP Laser Diode Driver with Automatic Power Control
VSC7939W Laser Diode Driver with Automatic Power Control
VSC7940RP SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
VSC7940 SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
VSC7940W SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VSC7939RP 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Laser Diode Driver with Automatic Power Control
VSC7939W 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Laser Diode Driver with Automatic Power Control
VSC7940 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
VSC7940RP 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
VSC7940W 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
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