A Microwave VNA for Biomedical In-line Concentration Measurements

Hofmann M, Bauch A, Weigel R, Fischer G, Kissinger D (2013)

Publication Type: Conference contribution

Publication year: 2013

Conference Proceedings Title: BioWireless Conference

Event location: Austin, TX

DOI: 10.1109/BioWireleSS.2013.6613670

Abstract

This paper presents a microwave (MW) test-set designed for biomedical in-line concentration measurements. The demonstrator consists of a commercial voltage controlled oscillator (VCO) with an output power of up to +12.0 dBm, feeding an asymmetric 4 way power divider. A fraction of 0 dBm of the VCO output is driving three I-Q mixers, which realizes a homodyne vector network analyzer. Dual directional couplers were investigated concerning the application for concentration measurements. A wiggly line coupler was separately fabricated and measured as well as implemented in the demonstrator. The entire system is fabricated, calibrated and subsequently characterized with a transmission based permittivity sensor.

Authors with CRIS profile

Maximilian Hofmann Lehrstuhl für Technische Elektronik Andreas Bauch Lehrstuhl für Technische Elektronik Robert Weigel Lehrstuhl für Technische Elektronik Georg Fischer Professur für Technische Elektronik Dietmar Kissinger Lehrstuhl für Technische Elektronik

How to cite

APA:

Hofmann, M., Bauch, A., Weigel, R., Fischer, G., & Kissinger, D. (2013). A Microwave VNA for Biomedical In-line Concentration Measurements. In BioWireless Conference. Austin, TX.

MLA:

Hofmann, Maximilian, et al. "A Microwave VNA for Biomedical In-line Concentration Measurements." Proceedings of the BioWireless Conference, Austin, TX 2013.

BibTeX: Download