TEMCELL介绍110628
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1 TEM Cell 横向电磁波箱 公司及产品概述 TEM Cell 介绍 问题与交流 北京联华行科技有限公司 1
2 联华行 总部位于新加坡 有 50 多年的历史 中国成立于 2002 年 主要代理韩国 TESCOM 产品 电话 : , /24 北京联华行科技有限公司 2
3 韩国首都首尔 成立于 1993 年 专业提供无线通讯测试设备 用于手机,Bluetooth,DAB/DMB 数字广播,Wi-Fi,RFID, Wi-Max, LTE 等 金博士曾在美国惠普 R&D 工作 20 年 北京联华行科技有限公司 3
4 一. TESCOM 产品概述 DAB/DMB 测试仪 Bluetooth 测试仪 RFID 测试仪 Wimax 测试仪 TEM Cell 横向电磁波箱 手动屏蔽箱 气动屏蔽箱 自动夹具 天线耦合器及标准天线 射频电缆 北京联华行科技有限公司 4
5 二. TEM Cell 介绍 TEM Cell 原理 产品特点 技术参数 ( 系列 ) 如何选型 TEM Cell TEM Cell 与微波暗室对比 操作技巧 检定方法 使用注意事项 部分客户 北京联华行科技有限公司 5
6 TEM Cell 原理 1970 年, 美国国家标准局 Transverse Electromagnetic Transmission Cell 内部产生 TEM 波 有效的模拟微波暗室远场测试 形状突变会引起反射 测试精度高 北京联华行科技有限公司 6
7 电磁场 ( 顶视图 ) E H 北京联华行科技有限公司 7
8 产品特点 屏蔽率大于 70db, 有效隔离外界干扰 铸造成型, 坚固耐用, 使用寿命长 可长时间保证屏蔽效果 产品线齐全, 选择范围大 操作简便, 性价比高 全球知名客户超过 500 个 北京联华行科技有限公司 8
9 TEM CELL 系列 TC-5060A/B, 普通 TC-5060S, TC-5062A, TC-5063A, 双门 可带转台 带 RS232 串口 北京联华行科技有限公司 9
10 TC-5060A/B 技术参数 VSWR : < 1.7, 400MHz ~ 3GHz (TC-5060A); < 1.7, 100MHz ~ 3GHz (TC-5060B) Path Loss : 22dB Typical Effective Shielding : > 80dB up to 2GHz, > 70dB 2GHz ~ 3GHz Effective Cell Height : 220 mm Field Strength at Test Point : 13 dbuv/m at 1 uv input Data Connector : DB25(p) outside, DB25(s) inside RF Connector : N(f) outside, SMA(f) outside and SMA(f) inside Dimension : 344(W) x 380(D) x 675(H) [mm] Door Size : 176(W) x 130(H) [mm] Weight : 19 Kg 北京联华行科技有限公司 10
11 TC-5060S 技术参数 ( 双门 RFID) VSWR : < 1.7, 100MHz ~ 3GHz (TC-5060S) Path Loss : 22dB Typical (Front Side), 12dB Typical (Rear Side) Effective Shielding : > 80dB up to 2GHz, > 70dB 2GHz ~ 3GHz Effective Cell Height : 220mm (Front Side), 70mm (Rear Side) Field Strength at Test Point : 13 dbuv/m at 1 uv input Data Connector : DB25(p) outside, DB25(s) inside RF Connector : N(f) outside, SMA(f) outside and SMA(f) inside Dimension : 344(W) x 380(D) x 675(H) [mm] Door Size : 176(W) x 130(H) [mm] Weight Total : 19 Kg 北京联华行科技有限公司 11
12 TC-5062A 技术参数 VSWR : < 1.7, 100MHz ~ 3GHz Path Loss : 22dB Typical Effective Shielding without F50621A DUT Rotator : > 80dB up to 2GHz, > 70dB 2GHz ~ 3GHz Effective Shielding with F50621A DUT Rotator : > 70dB up to 2GHz, > 60dB 2GHz ~ 3GHz Effective Cell Height : 220 mm Field Strength at Test Point : 13 dbuv/m at 1 uv input Data Connector : DB25(p) outside, DB25(s) inside RF Connector : N(f) outside, SMA(f) outside and SMA(f) inside Dimension : 344(W) x 403(D) x 675(H) [mm] Door Size : 176(W) x 130(H) [mm] Weight : 19 kg 北京联华行科技有限公司 12
13 TC-5063A 技术参数 ( 气动 ) Shielding effectiveness: > 80dB up to 2GHz, > 70dB 2GHz ~ 3GHz VSWR: < 1.7, 100MHz ~ 3GHz Path Loss: 22dB Typical Field Strength at Center of Cell: 13 db μv/meter at 1 μv input Effective Cell Height: 220 mm RF Connector: N(f) outside, SMA(f) outside and SMA (f) inside Data Connector: DB9 (f) outside and DB9 (f) inside Remote control: RS-232C, 3 wire, DB9(p) Line Voltage: 100 to 240 volt AC, 50/60 Hz, 15 watt max Input air pressure: 5 bar to 10bar Main air connector: 6mm OD hose, one-touch pushon fitting Weight Total: 27 kg Dimension: 344(W) x 420(D) x 725(H) mm door closed. 614(D) mm, door open Door size: 176(W) x 130(H) 北京联华行科技有限公司 13
14 可选数据接口 北京联华行科技有限公司 14
15 主要可选配件 夹具 :F50601A 校准天线 :TC-92020A (800MHz~1850MHz) 和 TC-92040A(2.4GHz) 旋转件 :TC-50621A( 仅适合 TC-5062A) 北京联华行科技有限公司 15
16 外观 1 N 型接头 2 SMA 接头 3 数据线接口 DB25( 或 USB 或 RJ45) 4 门 5 手柄 北京联华行科技有限公司 16
17 ERP Equivalent Radiated Power( 等效辐射功率 ) T dbm Power Meter Power Meter L db - Path Loss ERP=T + L Signal Gen DUT 北京联华行科技有限公司 17
18 ERSS Equivalent Received Signal Strength ( 等效接收信号强度 ) T dbm Signal Generator Signal Generator L db - Path Loss ERSS=T + L Power Meter DUT 北京联华行科技有限公司 18
19 如何选型 TEM Cell DUT 尺寸箱体内部尺寸以及门尺寸, 可安放 DUT 箱体外部尺寸符合现场安装要求 ( 尺寸, 接线 ) 接口要求标准 :1*N-Type, 1*SMA, 1*25Pin( 或 USB, RJ45 或 USB+DC 等 ) 数据传输速率普通串口 RS-232 (115200bps) USB2.0 (480Mbps) 其他选件旋转件, 夹具, 标准天线, 接口模块 使用频段范围 100MHz~3GHz 北京联华行科技有限公司 19
20 TEM Cell 与屏蔽箱 + 耦合器对比 为了的精确的, 具有可重复性的测试结果, 需要采用一个固定的测量方法, 在可重复的 RF 场内测试 DUT. 耦合器是近场, 反射大, 精度差 TEM Cell 中等精度测试, 模拟远场, 转台可测天线方向性 北京联华行科技有限公司 20
21 TEM Cell 与微波暗室对比 北京联华行科技有限公司 21
22 测试结果对比图 北京联华行科技有限公司 22
23 操作技巧 DUT 的天线位置必须放在靠近 TEM Cell 的中心位置附近 ( 功率一致性最好 ) DUT 必须重复放在同一位置测量 ( 需要夹具固定 ) 应关门使用 如有信号线及电源线必须从侧面 25PIN 接口引入 使用转台 ( 旋转件 ) 时, 要用金属棒定位, 调节夹具使 DUT 天线对准金属棒的末端 北京联华行科技有限公司 23
24 射频测试方法与环境 射频测试方法 1. RF conduction test 传导方式 ( 直连 ) 不能反应天线性能 2. RF radiation test 辐射方式 ( 远场或耦合 ) 测试环境 ( 没有干扰可再现 ) 1. 近场 : 耦合器 + 屏蔽箱 2. 远场 : 微波暗室 anechoic chamber,tem Cell - 转台可测天线方向性 北京联华行科技有限公司 24
25 手机天线场型图 红色 900MHz 蓝色 1800MHz 1 区测试效果最好 2 区测试效果 1800MHz 变差 3 区测试效果都不好 参照场型图找最佳位置才能保证准确测试 北京联华行科技有限公司 25
26 Pass Loss 路径损耗参考值 典型值 :22db MHz: 20±1db MHz: 24±1.5db 2.4GHz: 30±2db DUT 的天线必须放在底面的中心位置 (N 型接头垂直向下 ) 北京联华行科技有限公司 26
27 使用注意事项 平稳安放在干净, 无尘的环境 每年测试屏蔽效果 出现故障立刻与供货商联系维护 严禁自行拆卸屏蔽箱的配件 尽量减少射频电缆的插拔次数 北京联华行科技有限公司 27
28 TEM Cell 屏蔽率检测方法 所需设备信号发生器 :MS2663C( 或同等设备 ) 频谱分析仪 :HP8648C( 或同等设备 ) 标准天线 :TC-92020A,TC-92040A 每年检测一次 北京联华行科技有限公司 28
29 总结 TESCOM 在射频测试领域具有丰富的技术经验 提供了可重复再现的精确测量环境 TEM Cell 模拟远场测试 与微波暗室测试结果高度一致 可替代昂贵的暗室 操作简便, 性价比高 射频测试的必备工具 适用于芯片, 模块, 小型无线终端的射频测试 北京联华行科技有限公司 29
30 部分国外用户 Samsung LG 现代电子 Pantech Sony-Erisson 伟创立 Foxconn 旭电 Motorola Panasonic Nokia 倚天 Ethertronics 飞创 AMC France telecom 华硕 明基 Qualcomm 高通 TI 德州仪器 英飞凌 Frontier Silicon Siano 北京联华行科技有限公司 30
31 部分国内用户 大唐 TCL 中兴 联想 海信 海尔 波导 德信 中电赛龙 天宇朗通 龙旗 比亚迪 歌尔 零点 RDA T3G 展讯 凯明 斯凯威 中国移动 泰尔实验室 六合万通 中星微 北京联华行科技有限公司 31
32 三. 问题与交流 北京联华行科技有限公司北京市朝阳区西坝河西里 16 号明宫 A 座 1518 电话 : , /24 网址 : 电邮 :info@lwhtech.com 北京联华行科技有限公司 32
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易迪拓培训 专注于微波 射频 天线设计人才的培养网址 :http://www.edatop.com 射频和天线设计培训课程推荐 易迪拓培训 (www.edatop.com) 由数名来自于研发第一线的资深工程师发起成立, 致力并专注于微波 射频 天线设计研发人才的培养 ; 我们于 2006 年整合合并微波 EDA 网 (www.mweda.com), 现已发展成为国内最大的微波射频和天线设计人才培养基地,
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易迪拓培训 专注于微波 射频 天线设计人才的培养网址 :http://www.edatop.com 射频和天线设计培训课程推荐 易迪拓培训 (www.edatop.com) 由数名来自于研发第一线的资深工程师发起成立, 致力并专注于微波 射频 天线设计研发人才的培养 ; 我们于 2006 年整合合并微波 EDA 网 (www.mweda.com), 现已发展成为国内最大的微波射频和天线设计人才培养基地,
西南交通大学硕士学位论文微带天线的小型化研究姓名 : 邓曦申请学位级别 : 硕士专业 : 电磁场与微波技术指导教师 : 刘运林 20100501 微带天线的小型化研究 作者 : 邓曦 学位授予单位 : 西南交通大学 本文链接 :http://d.g.wanfangdata.com.cn/thesis_y1688108.aspx
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易迪拓培训 专注于微波 射频 天线设计人才的培养网址 :http://www.edatop.com 如何学习天线设计 天线设计理论晦涩高深, 让许多工程师望而却步, 然而实际工程或实际工作中在设计天线时却很少用到这些高深晦涩的理论 实际上, 我们只需要懂得最基本的天线和射频基础知识, 借助于 HFSS CST 软件或者测试仪器就可以设计出工作性能良好的各类天线 易迪拓培训 (www.edatop.com)
易迪拓培训 专注于微波 射频 天线设计人才的培养网址 :http://www.edatop.com 如何学习天线设计 天线设计理论晦涩高深, 让许多工程师望而却步, 然而实际工程或实际工作中在设计天线时却很少用到这些高深晦涩的理论 实际上, 我们只需要懂得最基本的天线和射频基础知识, 借助于 HFSS CST 软件或者测试仪器就可以设计出工作性能良好的各类天线 易迪拓培训 (www.edatop.com)
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