DS26522G+

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DS26522G+ is an ultra-low power dual-channel, GPON Small Form Factor Pluggable (GPON-SFP) transceiver. This device provides a single-fiber full-duplex passive optical network (PON) interface, operating in a cost-effective, space-saving SFP form factor. It is an ideal solution for a range of applications requiring high-speed long-distance transmission such as GPON, broadcasting, telecommunication, and data center interconnect.

The DS26522G+ provides high-speed dual-channel communication over a single fiber. It operates in the 1300nm wavelength band with a 1550nm receive wavelength. The transmitter uses linear lasers and the receiver is designed with a deep-notch filter to minimize next-channel crosstalk. The integrated burst mode, fast recovery clock and data recovery (CDR), and line code scrambling ensure reliable and robust data transmission.

The small form factor of the DS26522G+ makes it ideal for applications where space is at a premium. The device also features an ultra-low power consumption of 2.5W, making it a great choice for battery-based applications. Additionally, the device supports Operation and Maintenance (OAM) features allowing it to be monitored and managed remotely.

The DS26522G+ utilizes a four-wire serial digital interface (SDI) for transmitting and receiving data between the host device and the optical network. The SDI is based on Gigabit Ethernet, allowing for backward compatibility with the format. It also supports data rates from 622.08Mb/s to 2.488Gb/s.

The transceiver works based on differential signaling, which allows data to be transmitted and received simultaneously in both directions on a single network. The transmitter section is responsible for converting the electrical data into optical data. The data is encoded as a series of pulses at the appropriate amplitude and then modulated with the laser diode. The receiver section receives the optical data and converts it into an electrical signal.

In the transmitter section, the DS26522G+ supports two types of modulation formats: Quadrature phase shift keying (QPSK) and 8-phase shift keying (8PSK). QPSK is well suited for applications requiring a low bit error rate (BER) and high wavelength stability as it can maintain a high signal-to-noise ratio (SNR) over long distances. 8PSK is used for applications requiring a larger data rate. The receiver section supports both QPSK and 8PSK formats.

The DS26522G+ is designed to meet the stringent requirements of the GPON-SFP industry standard. It is compliant with the Small Form Factor Pluggable Multi Source Agreement (MSA). It has been tested under a hosted environment to 1490/1310nm single-mode Fiber Optic links.

The DS26522G+ is an ideal solution for a range of applications requiring high-speed, long-distance transmission over both optical and electrical lines. It is ideal for GPON, broadcast, telecommunication, and data center interconnect applications. The device supports dual-channel data transmission over a single-fiber link, providing a cost-effective, space-saving solution.

The device has an ultra-low power consumption, making it well suited for applications that require a battery-powered solution. Additionally, the integrated OAM features allow the device to be monitored and managed remotely. It is compliant with the Small Form Factor Pluggable Multi Source Agreement (MSA) and has been tested under a host of environments to ensure reliable and robust data transmission.

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