Bandwidth comparison of various types coplanar microwave ring hybrids

The paper deals with some parameters of microwave ring hybrids mainly from their attainable frequency bandwidth. Selected parameters are especially coupling (C), insertion loss (IL), isolation (I), input VSWR and corresponding bandwidth. We investigated various planar ring hybrids realized in micros...

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Bibliographic Details
Main Authors: Orsag, P., Svacina, J.
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Circuit simulation
coplanar waveguide
Coplanar waveguides
coupling
Frequency
Impedance
Insertion loss
Isolation technology
Microstrip
Microwave technology
Planar waveguides
ring hybrid
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Summary:The paper deals with some parameters of microwave ring hybrids mainly from their attainable frequency bandwidth. Selected parameters are especially coupling (C), insertion loss (IL), isolation (I), input VSWR and corresponding bandwidth. We investigated various planar ring hybrids realized in microstrip, coplanar waveguide (CPW), conductor-backed coplanar waveguide (CB-CPW), and CPW-slotline technology, respectively. All couplers are designed for center frequency of 3 GHz and 3 dB coupling. Various hybrids were simulated and compared with measured experimental results.
DOI:10.1109/RADIOELEK.2009.5158797