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VSA-0LPHE15SC

更新时间：2025-06-30 07:39:29

品牌：JDSU

描述：Variable Slope Attenuators

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免费 PCB/SMT

概述
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VSA-0LPHE15SC 概述

Variable Slope Attenuators 可变斜率衰减器

VSA-0LPHE15SC 数据手册

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COMMUNICATIONS COMPONENTS

Variable Slope Attenuators

VSA Series

Key Features

• Low insertion loss

• Wide attenuation slope range

• Available in low and high contrast variants

• Available in positive or negative slope variants

• Low tuning voltage

• Mountable on a PCB

Applications

The JDSU variable slope attenuator (VSA) equalizes uneven gain profiles inherent

to the use of optical amplifiers. The VSA is Telcordia GR 1209 and 1221 compliant

and uses hermetic sealing for increased resistance to environmental extremes. It is

available in low contrast and high contrast variants, and offers excellent positive

or negative slope optical performance in either the C or L bands.

• Remove cumulative error function

from amplifiers and filters

• Correct variations in amplifier gain

profile due to add-drop

multiplexing and Raman effect

The attenuation slope is precisely tuned using a stepper motor driven by an

external IC driver. The stepper motor adjusts the slope in small, uniform step

sizes, thus providing high resolution. The VSA is compact in size and can easily be

mounted on a printed circuit board (PCB). It requires minimum voltage. The

electrical pins extrude from the bottom of the package.

• Balance channel power in

reconfigurable networks

Compliance

The spectral diagram on next page shows the transmission spectrum after passing

through the VSA. Both positive and negative slope profiles are available.

• Telcordia GR 1209 and 1221

NORTH AMERICA: 800 498-JDSU (5378)

WORLDWIDE: +800 5378-JDSU

WEBSITE: www.jdsu.com

VSA SERIES

Performance

(Note: Negative slope and low contrast variant)

-1

-2

-3

Start

+250

+415

+580

+750

+165

+330

+500

+660

End

-4

-5

-6

-7

1525

1530

1535

1540

1545

1550

1555

1560

1565

1570

Wavelength (nm)

Specifications

Parameter

High Contrast

Low Contrast

Optimized wavelength range

C band

1530 to 1560 nm

1570 to 1610 nm

1.3 dB

2.2 dB

7.0 dB

0.02 dB/nm

1.0 dB (absolute)

0.25 dB

0.1 ps

40 dB

1528 to 1565 nm

1568 to 1609 nm

1.3 dB

2.0 dB

4.0 dB

0.02 dB/nm

0.5 dB (absolute)

0.25 dB

0.1 ps

35 dB

L band

Insertion loss at minimum slope^1,2

Insertion loss at maximum slope^1,2

Loss contrast at maximum slope¹

Minimum loss slope¹

Linearity

Maximum

Minimum

Maximium

Maximum

Polarization dependent loss

Polarization mode dispersion

Return loss¹

Repeatability³

Resolution

Backlash

Minimum

Typical

0.003 dB/nm

0.002 dB/nm

Typical

Fiber type

SMF-28 with 900 µm buffered jacket or 250 µm bare fiber

Maximum optical power

Dimensions (W x H x D)⁴

Operating temperature

Storage temperature

Maximum

200 mW

25 x 12 x 50 mm

-5 to 70 °C

200 mW

25 x 12 x 50 mm

-5 to 70 °C

-40 to 85 °C

1. Excluding connectors.

2. Measured at λ^MINfor negative slope and at λMAX for positive slope.

3. With reference to potentiometer voltage at 25 °C.

4. Excluding strain relief and connector pins.

VSA SERIES

Ordering Information

For more information on this or other products and their availability, please contact your local JDSU account manager or

JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide or via e-mail at

customer.service@jdsu.com.

Sample: VSA-0CNHC10NC

VSA-0

Code

Wavelength

C band

L band

Code

Contrast Level

High contrast

Low contrast

Code

Fiber Length¹

1.0 m

1.5 m

Code

Connector

No connector

FC/HPC

FC/APC

SC/HPC

SC/APC

ST/HPC

Code

Slope

Negative slope

Positive slope

Code

Fiber Type

9/125/900 fiber

9/125/250 fiber

1. Other fiber length available upon request.

SMF-28 is a registered trademark of Corning Incorporated.

All statements, technical information and recommendations related to the products herein are based upon information believed to be

reliable or accurate. However, the accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any

inaccuracies. The user assumes all risks and liability whatsoever in connection with the use of a product or its application. JDSU reserves

the right to change at any time without notice the design, specifications, function, fit or form of its products described herein, includ-

ing withdrawal at any time of

a product offered for sale herein. JDSU makes no representations that the products

herein are free from any intellectual property claims of others. Please contact JDSU for more information. JDSU and the JDSU logo are

NORTH AMERICA: 800 498-JDSU (5378)

WORLDWIDE: +800 5378-JDSU

WEBSITE: www.jdsu.com

Reviewed February 2007

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