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AL1610D28/56GBaud Single-Channel Differential Linear Modulator Driver

AL1610D is a differential input and differential output linear amplifier designed for 100Gbps/200Gbps/ 400Gbps PAM4 and coherent PM-QPSK applications. The ultra-broad bandwidth driver can be operated either in linear mode or limiting mode. The driver takes a differential input signal ranging from 0.3Vppd to 0.7Vppd and provides a differential output up to 3Vpp linear output swing.  When driven from the differential outputs of a high performance DAC, the common-mode rejection characteristic of this differential input design helps to maintain the linearity and resolution of the DAC.


•    Data rate: PAM-4 data rate up to 64 Gbps
•    Adjustable differential linear output amplitude range from 0.5Vppd to 3.5Vppd
•    High bandwidth over 50GHz
•    THD at 1GHz 3% at 3Vppd
•    VGA gain control: linear gain bigger than 10dB
•    Crossing point adjustment
•    Typical 0.4W, for linear output of 3 Vppd; driver output drain is biased through output port at 4V (3.5V ~ 4V, depending on the actual modulator load)


    100G/200G/400G PM-QPSK optical modulation format

    100G/200G/400G PAM-4 optical modulation format


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Aluksen Optoelectronics is a global leading supplier in analog semiconductor chip industry, specializing in designing, developing, manufacturing, selling analog and mix-signal integrated optoelectronic circuits chip, focusing on long-haul core network, DCI, 5G carrier and FTTx etc optical communication and interconnection areas.

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