【应用】砷化镓射频开关UPG2214TB助力Sub-G无线通信模块收发隔离设计,改善接收灵敏度,增加通信距离
物联网时代中的无线互联技术主要集中在Sub-G频段,适用于传输距离远、低功耗、低数据速率和传输数据量少的应用。
Sub-G无线模块要求功耗低、通信距离远,但软硬件开发难度大,世强推出了基于Silicon Labs公司的Sub-G无线通信模块方案,采用8位MCU EFM8SB+无线收发器Si446x设计,可以简化开发流程,实现Sub-G无线通信功能。
在该方案中,为了尽量提高无线传输距离,Si446x采用了接收和发射通道隔离的设计,降低两者之间的干扰,提高接收灵敏度。隔离设计的核心是利用MCU控制射频开关切换接收和发射通道,因此需要插损小、隔离度高的开关来实现切换功能。RENESAS的射频开关UPG2214TB采用砷化镓工艺,针对L和S频段应用,完全满足Si446x收发隔离设计的需求,以下是射频开关UPG2214TB在Sub-G无线通信模块方案中的应用框图:
UPG2214TB射频开关主要特性如下:
工作频段:0.05~3GHz
插入损耗:0.25dB@0.05-1GHz
开关控制电压:Vcont(H)=1.8~5.3V,Vcont(L)=-0.2~0.2V
隔离度:ISL1=32dB@f=0.05~0.5GHz,Vcont(H/L)=3.0V/0V
ISL1=28dB@f=0.5~1GHz,Vcont(H/L)=3.0V/0V
输入P1dB:27dBm@f=0.05~3GHz,Vcont(H/L)=3.0V/0V
封装:6pin 2.0*1.25*0.9mm
Silicon Labs方案的Sub-G无线通信模块应用Renesas射频开关UPG2214TB进行收发隔离设计,可以改善无线设备1.5-2dB的接收灵敏度,达到增加通信距离的目的。
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技术问答 发布时间 : 2017-08-08
JP202 Wi-SUN FAN 1.1 Based High Speed Sub-GHz Wireless Communication
型号- R5F56514ADFB#30,F1471EVB-4P0,R5F565N7XDXX,ZMOD4410AI2V,R5F56517XDXX,RA6M1,HS4003,HS4004,R1EX240,F1471EVB-2P6,ISL9113,HS4001,HS4002,ZSSC3027,F2977EVBI,R5F565N9XDXX,HS4000-EVK,R7FA6M1AD3CFM#AA0,ZMOD4410AI2R,F1471NTGI8,RAA211412,QCIOT-000-CWXPOCZ,HS4011,ZMOD4410AI1V,R5F56519XDXX,ISL85418,ZMOD4410AI1R,ISL9113EIAZ-T,ZMOD4510,HS3004,ISL9113EI9Z-T,HS3002,HS4014,HS3003,HS4012,HS3001,ISL9113ERAZ-T,HS4013,RAA211412GP3#JA0,HS310X,R5F565NCXDXX,RX65X,R9A06G062,R9A06G062GNP,RX65N,R9A06G062GNP#AC1,R7FA6M1AD3CFP#AA0,RL78/I1C,RL78/G1H,F1471EVB-3P6,R5F565NEXDXX,RL78/G22,RA6MX,HS300X,ISL80505,R5F56514XDXX,R5F565N4XDXX,R7FA6M1AD2CLJ#AC0,F2977,RX651,F2977NEGK8,ZMOD4410AI3V,RAA604S00,ZMOD4410,F1471NTGI,F2977NEGK,F1471,ISL9113ER7Z-T,READ2304,ZMOD4410AI3R
【产品】50-8000 MHz的SP5T吸收式射频开关F2915,专为众多RF应用设计
IDT(Renesas收购)推出的SP5T吸收式射频开关F2915具有高可靠性,高隔离度,低插损的特点,采用50Ω阻抗匹配,专为众多设计RF应用设计。 F2915涵盖了50 MHz至8000 MHz的频率范围,其线性度及其出色,可以用广泛应用于无线基站、便携式无线产品等。
新产品 发布时间 : 2019-03-30
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支持 3Hz ~ 26.5GHz射频信号中心频率测试;9kHz ~ 3GHz频率范围内Wi-SUN、lora、zigbee、ble和Sub-G 灵敏度测量与测试,天线阻抗测量与匹配电路调试服务。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳/苏州 提交需求>
可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
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