Datasheet > CWOA-A1-L1-D

CWOA-A1-L1-D

更新时间： 2022-12-16 10:38:42

品牌	Logo	应用领域
其他 - ETC		放大器控制器
页数	文件大小	规格书
3页	90K
描述
LASER CONTROLLER FOR OPTICAL AMPLIFIERS

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CWOA-A1-L1-D 数据手册

CWOA-A1-L1-D

LASER CONTROLLER FOR OPTICAL AMPLIFIERS

Description

Analog Technologies, Inc.

This laser controller is designed for driving the pump laser in optical amplifiers, such as Raman amplifier

and EDFA, with high stability and reliability. It drives the laser in four modes: constant current, constant

laser power, constant output power, and constant gain. It also provides these protection functions: over

current, over laser power, over output power, and over gain.

Interface and Control

Pin #

Type

Description

Note

Name

GND

ILIM

OPLIM

LPLIM

GNLIM

LIS

OPS

LPS

GNS

Analog power Connect ADC and DAC ground to here.

Analog input Laser current limit set, 0 to 2.5V.

Analog input Optical output power limit set, 0 to 2.5V.

Analog input Laser power limit set, 0 to 2.5V.

Analog input Constant gain limit set, 0 to 2.5V.

Analog input Laser current set, 0 to 2.5V.

Analog input Optical output power set, 0 to 2.5V.

Analog input Laser output power set, 0 to 2.5V.

Analog input Constant gain set, 0 to 2.5V.

Set by DAC or POT

OPFB

OPA

Analog output Output photo diode feedback, 0 to 2.5V.

Analog input Output photo diode anode, 0 to 2.5V.

Connect a resistor

between these two

pins to set the trans-

impedance

LPFB

LPA

Analog output Laser photo diode feedback, 0 to 2.5V.

Analog input Laser photo diode anode, 0 to 2.5V.

Connect a resistor

between these two

pins to set the trans-

impedance

IPFB

IPA

Analog output Input photo diode feedback, 0 to 2.5V.

Analog input Input photo diode anode, 0 to 2.5V.

Connect a resistor

between these two

pins to set the trans-

impedance

2.5V

LPGD

Analog output Voltage reference, 2.5V.

Digital output Loop good, optical amplifier is working at the set

mode.

IPO

LPO

OPO

OIO

Analog output Input power output voltage, 0 to 2.5V.

Analog output Laser power output voltage, 0 to 2.5V.

Analog output Output power output voltage, 0 to 2.5V.

Analog output Laser current output voltage, 0 to 2.5V.

To ADC

No connect.

Digital input

Mode set 1.

Mode set 2. M1M2:

00 = constant current mode,

01 = constant laser power mode,

10 = constant output power mode,

11 = constant gain mode.

550 E. W eddell Drive, Suite 4 , Sunnyvale, C A 9 4 0 8 9 , U. S. A . Tel.: (4 0 8 ) 7 4 7 -9 7 6 0 , Fax: (4 0 8 ) 7 4 7 -9 7 7 0 , W eb: w w w .analogtechnologies.com

12 3

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