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1组 孙玉刚 陈红辉 张乐 进展报告
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虫儿飞
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Aug 5, 2009, 9:12:22 PM
8/5/09
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由于疏忽大意,系统需要两套电源,结果在反复调试中将两套电源位置接反导致主芯片VCA822烧毁一只,暂时中断任务两天,这两天中主要完
成的是FPGA开发板芯片的购买焊接,尽量在近期调通开发板为以后实验做准备,考虑到宽带放大器需要自制稳压电源,而自己本身有的文雅电源纹波比较大,
因此从新制作了一个稳压电源,经粗略测试8路输出纹波均在5mV以内,比较理想。
新任务安排:用AD603替换VCA822完成压控增益放大,同时继续进行上次任务计划。
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