2013
DOI: 10.1007/s10762-013-0030-3
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Short-slot Hybrid Coupler Using Linear Taper in W-band

Abstract: -We have designed and fabricated a broadband short-slot hybrid coupler using a twostage linear taper in W-band. The coupler consists of two metal pieces split at the edge of the narrow wall of the waveguide, which makes it possible to use simple direct machining for fabrication. The electrical performance of the coupler was measured by a Vector Network Analyzer (VNA) at room temperature. The results showed excellent performance as designed: amplitude imbalance between the two output ports of ≤ 1 dB, phase diff… Show more

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Cited by 5 publications
(2 citation statements)
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References 6 publications
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“…This is caused by the fabrication error of 5 µm. coupler working frequency coupling coefficient coupling variation isolation Fang et al [5] 80 ∼ 100 GHz 3 dB < 1 dB > 7 dB Kuroiwa et al [6] 80 ∼ 120 GHz 3 dB < 2 dB > 10 dB Castellano et al [7] 10 ∼ 13 GHz 3 dB < 2 dB > 10 dB Liu et al [8] 325 ∼ 400 GHz 10 dB < 2 dB > 10 dB proposed coupler 340 ∼ 400 GHz 3 dB < 1 dB > 10 dB…”
Section: Simulation and Measurement Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…This is caused by the fabrication error of 5 µm. coupler working frequency coupling coefficient coupling variation isolation Fang et al [5] 80 ∼ 100 GHz 3 dB < 1 dB > 7 dB Kuroiwa et al [6] 80 ∼ 120 GHz 3 dB < 2 dB > 10 dB Castellano et al [7] 10 ∼ 13 GHz 3 dB < 2 dB > 10 dB Liu et al [8] 325 ∼ 400 GHz 10 dB < 2 dB > 10 dB proposed coupler 340 ∼ 400 GHz 3 dB < 1 dB > 10 dB…”
Section: Simulation and Measurement Resultsmentioning
confidence: 99%
“…It has achieved a coupling variation of less than 1 dB, and the isolation is greater than 7 dB. In 2013, Kuroiwa et al [6] proposed a short-slot hybrid coupler in W band using linear taper. The measured results show that the coupling variation is less than 2 dB and the isolation greater than 10 dB.…”
Section: Introductionmentioning
confidence: 99%