电阻阵列红外景象产生器工作模式的研究

Research on operating mode in resistor array DIRSP

阐述了扫描模式和快照模式的工作原理,研制出一种快照模式的电阻阵列动态红外景象产生器单元电路结构,使得所有微辐射体的显示同时被更新,得到高帧频下的稳定图像输出,有利于与测试系统的同步。采用0.6μm工艺模型参数,利用spectra仿真软件对设计的电路进行仿真,并完成单元电路流片和测试。测试结果验证了电路设计的可行性,为下一步快照模式的大规模电阻阵列器件的研制打下了坚实的基础。

The operating principle of raster and snapshot was reviewed. A circuit for snapshot operation was designed, which enables all pixels simultaneous update, maximizing the time during which the displayed＇ image is stable,even at the highest frame rate, and greatly simplifying the task of synchronizing the scene simulator to the unit-under-test. Spectra simulation with 0.6um standard CMOS process model are made, the chip was produced and tested. Generally, the above research shows that this kind of circuit is feasible, and builds substance foundations for circuit design for large-scale resistor array DIRSP in the future.