Overview
Description
The RG8G3122A is a dual-channel 128Gbaud linear transimpedance amplifier (TIA) for 800G and beyond integrated coherent receivers (ICRs).
The RG8G3122A integrates two TIA signal paths for I and Q channels. The high-performance, low power, and compact design of the RG8G3122A also enable optical subassembly such as u-ICR and IC-TROSA used for small form factor integrated optical modules.
Features
- Dual-channel integrated 128Gbaud linear TIA with analog control interface
- 50Ω to 1,500Ω typical differential linear transimpedance
- >27dB dynamic range
- >80GHz adjustable SDD21 3dB bandwidth at room temperature
- Automatic and manual gain control, output voltage control, peak detection and shutdown functionalities
- Low THD, low crosstalk, and low power consumption
Comparison
Applications
- 800G and beyond coherent systems with 128Gbaud higher-order QAM modulation format
- Optical subassembly of u-ICR and IC-TROSA for small form factor optical modules
Documentation
Featured Documentation
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Type | Title | Date |
Datasheet - Short-form | PDF 112 KB | |
Datasheet | PDF 258 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.