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引用次数: 2
摘要
介绍了一种低本振(LO)功率的ka波段低转换损耗悬浮带状混频器的设计与实现。悬浮带状线技术与平面光束引线肖特基势垒二极管已被用于低损耗混频器的设计。该混频器在2 GHz瞬时射频带宽上提供5.8±0.9 dB的转换损耗，在35 GHz本振下提供+6 dBm的本振功率。该混频器还具有1 GHz的瞬时LO带宽，转换损耗为6.2±1.2 dB。混频器的LO - to - RF和LO - to - IF隔离分别大于25 dB和45 dB。该混频器为毫米波系统设计提供了一种低成本、高性能的解决方案。
Low conversion loss Ka-band suspended stripline mixer with low LO power
Design and implementation of a Ka-band low conversion loss suspended stripline mixer with low local oscillator (LO) power is presented in this paper. Suspended stripline technology with planar beam-lead Schottky barrier diodes has been employed for low loss mixer design. The mixer provides conversion loss of 5.8 ± 0.9 dB over 2 GHz instantaneous RF bandwidth with +6 dBm LO power at 35 GHz LO. The mixer also exhibits 1 GHz instantaneous LO bandwidth with 6.2 ± 1.2 dB conversion loss. LO to RF and LO to IF isolations for the mixer are greater than 25 dB and 45 dB respectively. The proposed mixer provides a low-cost high-performance solution for millimeterwave system design.
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