[ [ { "type": "title", "bbox": [ 0.134, 0.118, 0.344, 0.143 ], "angle": 0, "content": "场景1:测试用例" }, { "type": "text", "bbox": [ 0.133, 0.162, 0.906, 0.263 ], "angle": 0, "content": "测试器件说明:测试中包含的五个核心器件五个核心仪器:频谱分析仪、信号源、开关矩阵、直流电源、示波器。Dut有SC频段接口和X频段接口,通过配置开关矩阵可以实现仪器间连接的更改。" }, { "type": "text", "bbox": [ 0.206, 0.285, 0.452, 0.308 ], "angle": 0, "content": "本次测试项目共有三项:" }, { "type": "text", "bbox": [ 0.133, 0.323, 0.892, 0.375 ], "angle": 0, "content": "a)上电测试:连接好各个设备,检查各个器件的工作情况,设置OCP,OVP等等操作。" }, { "type": "text", "bbox": [ 0.133, 0.388, 0.874, 0.527 ], "angle": 0, "content": "b)镜频测试:DUT电源供电28V,电流2.9A;测试频段:SC波段(2.7GHz~6.2GHz)和X波段(8GHz~12GHz);频谱仪SPAN=500MHz;信号源RF Power:SC频段=-25+线损+30(衰减器值);X频段=-40+线损+30(衰减器值);" }, { "type": "list", "bbox": [ 0.133, 0.323, 0.892, 0.527 ], "angle": 0, "content": null }, { "type": "text", "bbox": [ 0.133, 0.541, 0.9, 0.641 ], "angle": 0, "content": "测试内容:例如SC波段信号源power=-25dBm,f=2.7GHz,频谱分析仪f=2.7GHz,读取频谱分析仪Max Peak功率值P1;信号源功率及频率保持不变,频谱分析仪f-=3.84GHz,读取频谱分析仪Max Peak功率值P2。" }, { "type": "text", "bbox": [ 0.205, 0.657, 0.657, 0.678 ], "angle": 0, "content": "本次测试信号源在以下四个频点上进行测试;" }, { "type": "text", "bbox": [ 0.205, 0.696, 0.597, 0.716 ], "angle": 0, "content": "2.7GHz 时频谱仪在 2.7GHz 和 3.88GHz" }, { "type": "text", "bbox": [ 0.205, 0.734, 0.596, 0.755 ], "angle": 0, "content": "6.2GHz 时频谱仪在 6.2GHz 和 5.88GHz" }, { "type": "list", "bbox": [ 0.205, 0.696, 0.597, 0.755 ], "angle": 0, "content": null }, { "type": "text", "bbox": [ 0.205, 0.773, 0.545, 0.793 ], "angle": 0, "content": "8GHz 时频谱仪在 8GHz 和 11GHz" }, { "type": "text", "bbox": [ 0.206, 0.811, 0.567, 0.83 ], "angle": 0, "content": "12GHz 时频谱仪在 12GHz 和 15GHz" }, { "type": "text", "bbox": [ 0.205, 0.849, 0.633, 0.87 ], "angle": 0, "content": "注意:镜频测试中不需要体现线缆损耗值。" }, { "type": "text", "bbox": [ 0.205, 0.887, 0.89, 0.908 ], "angle": 0, "content": "SC 波段, DUT 在频率 \\(2.7 \\mathrm{GHz}\\) 的镜像抑制比= (P1-P2) >7dB 判定合" }, { "type": "page_number", "bbox": [ 0.473, 0.929, 0.603, 0.948 ], "angle": 0, "content": "第1页共4页" } ], [ { "type": "text", "bbox": [ 0.134, 0.109, 0.379, 0.132 ], "angle": 0, "content": "格。不合格报告中标红。" }, { "type": "text", "bbox": [ 0.15, 0.172, 0.611, 0.195 ], "angle": 0, "content": "c)断电测试:释放资源,关闭各种仪器的状态" }, { "type": "text", "bbox": [ 0.451, 0.203, 0.666, 0.223 ], "angle": 0, "content": "表 1: 全壳测试报告模板" }, { "type": "table", "bbox": [ 0.0, 0.326, 0.677, 0.904 ], "angle": 0, "content": "
" }, { "type": "page_number", "bbox": [ 0.474, 0.929, 0.602, 0.947 ], "angle": 0, "content": "第2页共4页" } ], [ { "type": "table", "bbox": [ 0.0, 0.107, 0.677, 0.9 ], "angle": 0, "content": "
" }, { "type": "page_number", "bbox": [ 0.474, 0.929, 0.602, 0.947 ], "angle": 0, "content": "第3页共4页" } ], [ { "type": "table", "bbox": [ 0.0, 0.106, 0.677, 0.372 ], "angle": 0, "content": "
" }, { "type": "table_caption", "bbox": [ 0.452, 0.402, 0.666, 0.421 ], "angle": 0, "content": "表 1: 全壳测试报告模板" }, { "type": "page_number", "bbox": [ 0.474, 0.929, 0.602, 0.947 ], "angle": 0, "content": "第4页共4页" } ] ]