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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Optically controlled millimetre-wave switch with stepped-impedance lines
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Optically controlled millimetre-wave switch with stepped-impedance lines

机译:带步进阻抗线的光控毫米波开关

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摘要

A photoconductive grounded coplanar waveguide (GCPW) millimetre-wave switch controlled by a single infrared light-emitting diode is presented. By converting a straight GCPW transmission line into an alternating stepped-impedance line structure, the proposed device shows an on-state insertion loss of <2.9 dB and an off-state isolation of more than 15 dB over a wide-frequency range of 12-30 GHz, with a particularly good radio-frequency performance in the K-band (18-27 GHz). The required optical power and electrical power of the switch are only 199 and 364 mW, respectively. This device also demonstrates an absorptive characteristic with a low reflection coefficient of 收起
机译:提出了一种由单个红外发光二极管控制的光电导接地共面波导(GCPW)毫米波开关。通过将一条直线的GCPW传输线转换为交替的阶梯式阻抗线结构,该器件在12-MHz的宽频率范围内显示了<2.9 dB的导通状态插入损耗和超过15 dB的截止状态隔离。 30 GHz,在K波段(18-27 GHz)具有特别好的射频性能。交换机所需的光功率和电功率分别仅为199 mW和364 mW。该器件还显示了吸收特性,具有低反射系数收起

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