Datasheet > GD19903-68AB

GD19903-68AB

更新时间： 2024-11-10 23:53:39

品牌	Logo	应用领域
其他 - ETC		驱动器二极管激光二极管
页数	文件大小	规格书
7页	120K
描述
Laser Diode/LED Driver

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数据手册

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GD19903-68AB 数据手册

10 Gbit/s

Modulator Driver

GD19903

Advance Information

General Description

Features

The GD19903 is a high-speed amplifier,

which provides a high power output drive

suitable to feed an optical modulator at

10 Gbit/s.

The GD19903 modulator driver provides

Amplitude Modulation (AM) control of the

outputs of the modulator driver for control

of the modulation in Mach-Zehnder

modulators. The AM will be controlled by

inserting a dither current at up to 10 kHz

with AM amplitude of up to 10 % of the

data amplitude.

Fully differential, 10 V_PPdifferential

drive capability.

CML inputs.

GD19903 provides single-ended or differ-

ential output drive to an external modula-

tor. The outputs must be externally AC

coupled, and on-chip termination is pro-

vided to minimize reflections.

Limiting structure.

Output peak-peak monitor.

An analogue monitor output is provided

to indicate peak-peak output voltage

swing.

Data outputs can be turned off.

The output amplitude can be adjusted to

the required value by sourcing a DC cur-

rent into a control terminal of the device.

Capability to AM modulate output.

The GD19903 modulator driver is deli-

vered in a 68 pin ceramic package. 50 Ω

transmissions lines inside the package

are ensured by GIGA proprietary

Flexguide® technology.

Power supply: -8.0 V and +5 V

The data outputs can be shut down by

setting the amplitude control currents to

0. When shut down, the residual output

data amplitude will be less than 1.5 % of

maximum amplitude.

No external choke required.

Maximum rise/fall time of 45 ps

(20 – 80 %).

Power dissipation: 8.6 W (typical) at

maximum output swing.

Package: 68 pin MLC

VMONREF

VMON

Applications

VOUT

VIN

Telecommunications transmission

systems:

–

SDH STM-64

SONET OC-192

VINN

VOUTN

WDM applications.

VEE

VCC

10 Gbit/s optical transmission.

12 3 4 5 6 7

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