Compact Microwave Six-Port Vector Voltmeters for Ultra- Wideband Applications
Marek E. Bialkowski, Fellow, Amin M. Abbosh, Norhudah Seman
IEEE Transactions on Microwave Theory and Techniques
Volume: 55, Issue: 10, Oct. 2007
2216 - 2223
This paper presents the design of two compact fully integrated six-port devices, which, from scalar power measurements, are capable of determining the ratio of two complex voltages or two complex wave amplitudes over an ultra-wide frequency band of 3.1–10.6 GHz. These vector voltmeters are formed by multilayer microstrip/slot couplers and power dividers that are assembled without using wire vias or crossovers. An ultra-wideband operation of these fully integrated six-port voltmeters is confirmed by full electromagnetic simulations and measurements.
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