具有片上偶极子天线的完全集成的冲击波发射器,用于0.18 μm CMOS的脉冲波束成形性

N. Khanh, M. Sasaki, K. Asada
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引用次数: 5

摘要

本文提出了一种具有片上天线和数字可编程延迟电路(DPDC)的全集成9 - 11 ghz冲击波发射机,用于近距离微波有源成像应用中的脉冲波束形成能力。在HSPICE模拟中,无电阻激波发生器(SWG)产生0.4 v的峰对峰(p-p)激波输出。DPDC设计用于调整冲击波输出的延迟,以达到波束形成的目的。SWG的输出通过片上变压器发送到集成的弯曲偶极子天线。在7.5 ~ 12 GHz频率范围内,测量到的独立集成弯曲偶极子的回波损耗S11在−26 ~−10 dB之间。距离芯片38mm的20 db标准增益喇叭天线接收1.1 mv (p-p)冲击波输出。所测冲击波输出的频率响应和延迟分辨率分别为9 - 11 ghz和3-ps。这些特性适用于全集成脉冲波束形成阵列天线系统。
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A fully integrated shock wave transmitter with an on-chip dipole antenna for pulse beam-formability in 0.18-μm CMOS
This paper presents a fully integrated 9–11-GHz shock wave transmitter with an on-chip antenna and a digitally programmable delay circuit (DPDC) for pulse beam-formability in short-range microwave active imaging applications. The resitorless shock wave generator (SWG) produces a 0.4-V peak-to-peak (p-p) shock wave output in HSPICE simulation. The DPDC is designed to adjust delays of shock-wave outputs for the beam-forming purpose. SWG's output is sent to an integrated meandering dipole antenna through an on-chip transformer. The measured return loss, S11, of a stand-alone integrated meandering dipole is from −26 dB to −10 dB with frequency range of 7.5–12 GHz. A 1.1-mV(p-p) shock wave output is received by a 20-dB standard gain horn antenna located at a 38-mm distance from the chip. Frequency response and delay resolution of the measured shock wave output are 9–11-GHz and 3-ps, respectively. These characteristics are suitable for fully integrated pulse beam-forming array antenna system.
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