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iT5082

Iterra
Part Number iT5082
Manufacturer Iterra
Description modulator driver amplifier
Published Jul 23, 2008
Detailed Description iT5082 12.5 Gb/s Modulator Driver Amplifier Description The iT5082 is general-purpose modulator driver designed for NRZ ...
Datasheet PDF File iT5082 PDF File

iT5082
iT5082


Overview
iT5082 12.
5 Gb/s Modulator Driver Amplifier Description The iT5082 is general-purpose modulator driver designed for NRZ communication systems operating up to 12.
5 Gb/s.
The driver is typically used to amplify a data signal between a MUX and an optical modulator.
With its wide output amplitude adjustment range, the iT5082 is capable of driving Electro Absorption (EA), semiconductor MachZehnder, and LiNbO3 modulators.
Additional features include eye cross point adjustability, internal power sequencing circuitry and filtering, a bias port to apply a DC level to the output port, and the ability to apply a dither tone to amplitude-modulate the output data.
This feature is critical for traditional modulator bias control loops.
The differential limiting amplifier at the front end provides the user with a means to adjust the cross point of the output eye waveform.
It also provides the subsequent gain stages with a constant amplitude signal, making the amplified output signal less sensitive to variations at the iT5082 input.
Fabricated using GaAs pHEMT devices and thin-film passive components, the iT5082 exhibits excellent performance and reliability.
The iT5082 is available in an SMA connectorized module.
The primary heat conduction path is through the base of the module, so proper thermal management is required.
Operating case temperature range is 0° C to 70° C.
www.
DataSheet4U.
com Features Optimized for NRZ bit rates up to 12.
5 Gb/s Non-inverting polarity Input sensitivity: 100 mV Adjustable output amplitude from 1.
5 V to 7.
0 V Amplitude modulation of output signal Adjustable eye crossing from 30% to 70% Low RMS jitter degradation 2.
7 W typical power dissipation at 7.
0 V output AC-coupled RF inputs and outputs Functional Block Diagram NRZ Data In NRZ Data Out Gain Limiting Diff-Amp Gain Supply Sequencing, Bias Control Amplitude Control Cross Point Adj (CP) Amplitude Adj (GC) +V -V Bias (VB) www.
iterrac.
com This is a Production data sheet.
See “Product Status ...


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