S1724BDBA データシートの表示（PDF） - Agere -> LSI Corporation

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S1724BDBA

Optical Amplifier Platform, 1724-Type Erbium-Doped Fiber Amplifier (S and V Series)

Agere -> LSI Corporation 

Optical Amplifier Platform, 1724-Type

Erbium-Doped Fiber Amplifier (S and V Series)

Data Sheet

July 1999

Description (continued)

The versatile 1724-Type EDFA operates over a wide

temperature range, exhibits extremely low power dissi-

pation, and offers a variety of alarms and monitors.

Optimum performance and system stability are sup-

ported through the use of optical isolation at the input

and output. Optical input and output are through single-

mode fiber pigtails terminated with optical connectors.

The EDFA incorporates optical input and output taps

that are monitored via an integral microcontroller. Sig-

nificant performance benefits are achieved with the

microcontroller, which stabilizes the temperature of the

pumps and maintains constant optical output power.

Contact your Agere Systems Inc. Account Manager to

discuss electrical or optical connector options not listed

in the Ordering Information section.

Standard Features

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.

TTL-Compatible Alarm Outputs

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).

The standard 1724-Type EDFA incorporates the optical

architecture illustrated in Figure 1. The standard fea-

tures include:

s Exceptional performance benefits with the integral

microcontroller, which precisely controls the output

power and allows for changes to power settings as

necessary.

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 Optical output tap enables precise output monitoring

and control and, when used in conjunction with the

microcontroller, typically provides 0.2 dB of output

power stability over temperature and wavelength.

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

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 1724-Type

EDFA include:

s Alternative optical connectors

s Integral heat sink

2

Agere Systems Inc.

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