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W1724

Optical Amplifier Platform, 1724-Type Erbium-Doped Fiber Amplifier (W Series)

Agere -> LSI Corporation 

Data Sheet, Rev. 1

September 2001

Optical Amplifier Platform, 1724-Type

Erbium-Doped Fiber Amplifier (W Series)

Standard Features

TTL-Compatible Alarm Outputs

The standard W1724-Type EDFA incorporates the opti-

cal architecture illustrated in Figure 1. The standard

features include:

s Exceptional performance benefits with the integral

microcontroller, which precisely controls the gain to

maintain a flat spectral response over various input

powers.

s Single 5 V power supply eliminates the need for dual

voltage source circuits.

s DB-25 electrical connector allows for easy electrical

connectivity.

s Optical input tap enables input monitoring and con-

trol.

s SC/PC optical connector.

s Low power dissipation.

s Alarms:

— Loss of input power alarm.

— Loss of output power alarm.

— Pump bias alarm (>95% of EOL value).

— Pump temperature alarm (TL > 35 °C).

— EDFA temperature alarm (TC > 60 °C).

s Advanced microprocessor design requires minimal

engineering for a shelf-level product.

s Standard mechanical outline includes metric screws

and fiber outputs (using SC/PC optical connectors)

at 180 degrees relative to a DB25 electrical connec-

tor. The standard product does not include a heat

sink.

Loss of Input Power Alarm

If the input power is more than 2 dBm below the mini-

mum PIN, the loss of input power alarm (pin 19) will

activate (TTL-logic 1).

Loss of Output Power Alarm

If the output power decreases by more than 2 dB from

its beginning-of-life value, the loss of output power

alarm (pin 8) will activate (TTL-logic 1).

Pumps Temperature Alarm

If the laser temperature for the pump(s) exceeds 35 °C,

the pump temperature alarm (pin 10) will activate (TTL-

logic 1).

Pumps Bias Alarm

If the bias current for the pump(s) exceeds 95% of its

EOL value, the pump bias alarm (pin 9) will activate

(TTL-logic 1).

EDFA Temperature Alarm

If the case temperature exceeds 60 °C, then the

EDFA temperature alarm (pin 7) will activate (TTL-

logic 1).

Optional Features

Other feature and package options for the W1724-Type

EDFA include:

s Alternative optical connectors

s Integral heat sink

2

Agere Systems Inc.

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