Datasheet > EVOA1550000312

EVOA1550000312

更新时间： 2024-09-16 06:58:19

品牌	Logo	应用领域
OPLINK		衰减器
页数	文件大小	规格书
2页	224K
描述
Electronically Variable Optical Attenuators

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EVOA1550000312 数据手册

Electronically Variable Optical

Attenuators

EVOA Series

Product Description

Oplink’s electronically variable optical attenuator (EVOA) is a high performance

opto-mechanical device. EVOA operates by moving an obstructing element into

the optical beam and the position of the obstructing element can be adjusted by

an integrated, electronically controlled step motor, resulting in ﬁne tuning of at-

tenuation.

Oplink’s EVOA features a large dynamic attenuation range of >30dB and an excel-

lent optical performance over C- or L-band. Its latching operation retains recent

attenuation setting upon removal of drive voltage. Applications include pre-em-

phasis attenuation, detector saturation control, in-line power equalization and

ampliﬁer power control applications.Also, it can be used to extend the dynamic

range of optical measurement instruments.

Oplink’s EVOA is designed to withstand the diverse environmental conditions and

compliance to theTelcordia standard GR-1221.

Oplink can provide customized designs to meet specialized feature applications.

Also, Oplink offers modular assemblies that integrate other components to form

a full function module or subsystem.

Performance Specificationns

Parameter

Min

1525 ~ 1570 or 1570 ~1610

1.0

Typical

Max

Unit

Operating wavelength range

Features

[1]

Insertion Loss

 Operates over C or L Band

 Low Insertion Loss and PDL

 Latching Capability

 PCB Mountable

Attenuation range

[2]

0.15

Temperature dependence of attenuation

0.2

0.3

Wavelength depen-

dence of attenuation

0~15dB Attenuation

15~30dB attenuation

0 to15 dB

> 15 dB

0.15

0.2

Polarization depen-

dence of attenuation

PMD

0.1

sec

°C

[1]

Return Loss

Applications

Resolution

Repeatability

Back lash

0.15

0.2

 Pre-emphasis Attenuation

 Detector Input Power Control

 In-line Power Equalization

 Gain Control in Optical Ampliﬁers

 On/Oﬀ Switch

0.3

[3]

Response speed

0.2

Optical power

100

Operating Temperature

Storage Temperature

Fiber type

-5 to +70

-40 to +85

SMF-28

°C

 Instrumentation, Testing and

Measurement

POT resistance

KΩ

Package Dimensions

P2: 50.0 (L) ×25.0 (W) × 12.0 (H

P3: 45.0 (L) ×18.0 (W) × 12.0 (H)

Notes:

1) Excluding connectors.

2) Relative to 23°C.

3) At 3 dB attenuation change.

R09.20090302

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