Combo Chip and Amplifier

Semtech Corp.Request Info

CAMARILLO, Calif., March 10, 2023 — Semtech’s PON-X GN28L98 combo chip and the PON-X GN28L54A 10 G transimpedance amplifier devices are designed for 10 G PON Optical Network Units applications. The PON-X GN28L98 optimizes low-cost lasers using unique laser driver eye shaping technology, which reduces the cost of the ONU. The chip also integrates Semtech’s unique automatic laser calibration technology with programmable 10 Gbps transmit and 10 Gbps receive signal paths. The PON-X GN28L54A is a high-sensitivity single-channel 10 Gbps TIA for use with avalanche photodiodes. Featuring HVcap technology and low input noise, the GN28L54A is a robust and proven method to remove the external high-voltage capacitors in an ONU receiver, while simplifying layout and improving both sensitivity and crosstalk performance.

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Published: March 2023

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