A 122 GHz Multiprobe Reflectometer for Dielectric Sensor Readout in SiGe BiCMOS Technology

2011 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) Pub Date : 2011-11-01 DOI:10.1109/CSICS.2011.6062487

B. Laemmle, K. Schmalz, C. Scheytt, D. Kissinger, R. Weigel

引用次数: 18

Abstract

In this publication a fully integrated multiprobe reflectometer at 122 GHz is presented. It can be used for readout of resonator-based dielectric sensors for measurement of chemical, biological, or medical liquids. The circuit consists of a voltage-controlled oscillator, an amplitude modulator, a capacitive tapped line, four power detectors, and a dummy sensor. The circuit is operated from a 3.75-V supply and has a power consumption of 319 mW. The readout principle of the circuit is demonstrated by comparing the S-parameters of the dummy sensor to measurements with a commercially available vector network analyzer. The circuit has been fabricated in a 190-GHz SiGe:C BiCMOS technology and occupies an area of 0.54 mm² .

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用于SiGe BiCMOS技术介质传感器读出的122ghz多探头反射计

本文介绍了一种完全集成的122 GHz多探头反射计。它可用于读出基于谐振器的电介质传感器，用于测量化学，生物或医用液体。该电路由一个压控振荡器、一个调幅器、一个电容抽头线、四个功率检测器和一个假传感器组成。该电路由3.75 v电源供电，功耗为319 mW。通过将虚拟传感器的s参数与市售矢量网络分析仪的测量值进行比较，证明了电路的读出原理。该电路采用190 ghz SiGe:C BiCMOS技术制造，占地面积为0.54 mm²。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS)

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