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首页> 外文期刊>Microwave and optical technology letters >HIGH ISOLATION SERIES-SHUNT PHOTOCONDUCTIVE MICROWAVE SWITCH
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HIGH ISOLATION SERIES-SHUNT PHOTOCONDUCTIVE MICROWAVE SWITCH

机译:高隔离系列-光电耦合微波开关

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摘要

This article presents a wide band compact high isolation photoconductive switch, which is based on the series-shunt switch design with three photoconductive switches made of diced high-resistivity silicon wafer placed over a microstrip gap and activated by 808-nm near-infrared laser diodes. The switch shows an insertion loss of 1.2 dB and an isolation of 44.8 dB at 2 GHz. It is easy to operate and control by light, high-speed, electromagnetically transparent and it does not require any biasing circuits.
机译:本文介绍了一种宽带紧凑型高隔离光电导开关,该开关基于串联分流开关设计,其中三个光电导开关由切成小方块的高电阻率硅晶片制成,并置于微带隙上并由808 nm近红外激光二极管激活。该开关在2 GHz下的插入损耗为1.2 dB,隔离度为44.8 dB。它易于通过光,高速,电磁透明性进行操作和控制,并且不需要任何偏置电路。

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