Anti-space single event upset system of satellite-borne transceiver

Abstract

The invention provides an anti-space single event upset system of a satellite-borne transceiver. The system is applied to an intermediate frequency processing module of a satellite-borne transceiver.The main function of the system is to refresh the internal configuration information of the SRAM type FPGA in real time by using an anti-fuse FPGA chip, so that on the premise that the SRAM type FPGAworks uninterruptedly, single event upset occurring in the SRAM type FPGA is corrected, and the method is an effective measure for resisting space single event upset of the SRAM type FPGA. The monitoring FPGA is an FPGA program burnt in an anti-fuse FPGA chip. Functional modules of the system comprise a top layer module, a power-on reset signal generation module, an instruction pulse detection module, a timing module, a refreshing module and a one-out-of-three module. The anti-fuse FPGA peripheral interface circuit chip comprises an SRAM type FPGA, a PROM chip, a watchdog chip, a level shifterchip and a clock driving chip. The system has certain universality and can be widely applied to satellite-borne transceiving communication equipment with similar functions.

Description

technical field [0001] The invention relates to an anti-space single event flipping system of a space-borne transceiver communication machine. Background technique [0002] The space-borne transceiver plays an extremely important role in space measurement and control. It receives uplink measurement signals to complete ranging and speed measurement functions, receives uplink remote control signals, and forwards downlink telemetry signals and downlink measurement signals. The main functions of the on-board transceiver are realized by the channel signal processing module, and the function of the channel signal processing module is completed by the SRAM-based large-scale million-gate FPGA. [0003] SRAM-type FPGA is a kind of FPGA with SRAM structure using CMOS technology as the storage unit. It has the advantages of large capacity, low development cost, and short development cycle. SRAM-type FPGA for aerospace also has a certain ability to resist total space dose radiation, and...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of insufficient anti-single event inversion capability of existing space-borne transceivers, the present invention provides an anti-single event inversion system for space-borne transceivers, including:

Images