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RADIO IC DEVICE

机译:无线电IC设备

摘要

Provided is a radio IC device which is hardly affected by a use environment and can be used in a wide range while suppressing fluctuations of radiation characteristic. The radio IC device includes: a radio IC; a power feed circuit substrate (20); and a radiation plate (52). The power feed circuit substrate (20) is electrically connected to the radio IC and has a built-in power feed circuit (21) having a resonance circuit including inductance elements (L1, L2, L3, L4) and/or a rectification circuit. The power feed circuit substrate (20) is bonded to the radiation plate (52). The radiation plate (52) emits a transmission signal supplied from the power feed circuit (21) and supplies a received signal to the power feed circuit (21). The inductance elements (L1, L2) and the inductance elements (L3, L4) are spirally wound respectively in opposite directions and connected to each other with inverse phases.
机译:提供一种无线电IC器件,其不受使用环境的影响,并且可以在抑制辐射特性的波动的同时在宽范围内使用。无线电IC设备包括:无线电IC;供电电路基板(20);辐射板(52)。供电电路基板(20)电连接至无线电IC,并且具有内置的供电电路(21),该内置供电电路(21)具有包括电感元件(L1,L2,L3,L4)和/或整流电路的谐振电路。供电电路基板(20)与散热板(52)接合。辐射板(52)发出从供电电路(21)提供的发送信号,并将接收到的信号提供给供电电路(21)。电感元件(L1,L2)和电感元件(L3,L4)分别以相反的方向螺旋地缠绕并且以反相相互连接。

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