Programmable signal processing module based on SiP

Abstract

A programmable signal processing module based on SiP comprises an analog-to-digital conversion unit used for converting collected analog quantity into digital quantity to be calculated and processed by a core processing chip, and the analog-to-digital conversion unit comprises a high-speed parallel ADC chip and a low-speed serial ADC chip; a core processing chip which comprises an FPGA chip and is used for completing the generation of a time sequence signal and the design of a closed-loop algorithm, calculating and processing the digital quantity converted by the analog-to-digital conversion unit and inputting the processed digital quantity into the digital-to-analog conversion unit; a digital-to-analog conversion unit which comprises a high-speed parallel DAC chip and is used for converting the digital quantity input by the core processing chip into analog quantity and outputting the analog quantity outwards; and a refreshing chip which is used for refreshing the core processing chip in real time when the single event upset occurs on the core processing chip so as to enable the core processing chip to quickly recover operation. System integration is achieved through the SIP technology, an FPGA + ADC + DAC architecture is adopted, the system is high in flexibility and integration degree, and miniaturization is achieved.

Description

technical field [0001] The invention relates to a system-level packaging and signal processing system, in particular to a SiP-based programmable signal processing module used in aerospace electronic products such as fiber optic gyroscopes. Background technique [0002] Micro-optical electromechanical products represented by fiber optic gyroscopes have broad market prospects in civil fields such as land-based transportation navigation and robot control, military applications such as radio navigation and helicopter aiming, and aerospace applications such as satellite navigation and inertial guidance. , is developing in three directions: high precision, small size and low cost. The integration of circuit modules, especially the integration of the core components of signal processing circuits, is currently an effective path for such products to increase integration, reduce volume, reduce costs, and provide technical support for product upgrades. [0003] The current signal proc...

AI Technical Summary

Problems solved by technology

[0003] The current signal processing circuit generally adopts FPGA+DSP architecture, using FPGA to control timing and DSP to implement very complex filtering algorithms, which is an ideal data processing solution, but it is large in size and complex in structure, and the miniaturization requirements for fiber optic gyroscopes are not special. Be applicable

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