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Zarlink简化了医学遥测系统的设计 - China Medical Device Manufacturer
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Fri, January 19th, 2018

2007年11/12月CMDM电子快讯 » 技术新知
Zarlink简化了医学遥测系统的设计

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ZL70101射频收发器芯片适用于多种植入式医用设备,包括心脏起搏器、神经刺激器、以及植入式药泵。
卓联半导体公司(Zarlink Semiconductor Inc.,英国威尔士,斯温顿) 推出新的开发套件,可帮助加快植入式医用设备以及监控和编程设备间无线遥测系统的设计和评估。整合的射频(RF)芯片可使数据传输速度达到800 kbps,工作在医疗植入式通信服务402-405 MHz 波段。芯片充分工作时消耗的电流一般为5 微安(mA) ,采用了独特的唤醒技术,该设备在睡眠模式时消耗的电流极低,仅为250纳安(nA)。公司资料显示,ZL70101射频收发器芯片适用于多种植入式医用设备,包括心脏起搏器、除颤器、神经刺激器、植入式药泵、生理指标监测仪,以及相关外部监测和编程设备。

ZL70101芯片包括专门针对MICS应用而设计的媒体访问控制器,提供前向错误校正、循环冗余校验以及重传功能,能实现可靠的数据链路。

无线激活的医用设备必须满足严格的性能和功耗要求,这样才能够在不影响植入式设备电池使用寿命的情况下支持新应用。卓联半导体公司医用通信产品部高级副总裁兼总经理Steve Swift说:ZLE70101应用开发套件(ADK)为客户提供了一个全面的硬件和固件评估平台,支持基于经现场验证的医疗植入式通信服务(MICS)技术的低功耗、标准兼容医用通信系统的快速开发。

ZLE70101 ADK包括测试植入式设备和外部设备间无线通信链路性能所需要的硬件和固件。植入和基站平台都采用了常用微控制器,可以快速集成到客户专用系统设计中。

套件内的应用开发平台板通过USB 2.0接口将植入式或基站夹层开发板连接到PC。植入应用多层开发板完成所有与MICS植入通信相关的操作。板上集成了ZL70101 收发器,以及分立电路(包括用于正常数据传输和唤醒操作的匹配网络)、通过业界标准SPI总线连接到ZL70101 的应用微控制器以及一个用于连接到PCB环形天线的SMA连接器接口。开发板利用内置的电池工作,以激发正常的植入操作。


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