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Planar 180° hybrid coupler with non-interspersed ports for millimeter-wave applications

Published online by Cambridge University Press:  11 December 2019

Jaber Moghaddasi Open the ORCID record for Jaber Moghaddasi [Opens in a new window]  and
Ke Wu
Jaber Moghaddasi*
Affiliation:
PolyGrames Research Centre, Department of Electrical Engineering, Polytechnique Montreal, University of Montreal, 2500 Ch. De Polytechnique, Montreal, QC, Canada
Ke Wu
Affiliation:
PolyGrames Research Centre, Department of Electrical Engineering, Polytechnique Montreal, University of Montreal, 2500 Ch. De Polytechnique, Montreal, QC, Canada
*
Author for correspondence: Jaber Moghaddasi, E-mail: [email protected]
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Abstract

This paper presents a simple topology of 180° hybrid coupler with non-interspersed inputs and outputs, as opposed to the conventional rat-race topology. Such hybrid coupler topologies with inputs located on one side and outputs at the opposite side simplify the design of signal routings and module packaging when integrated with other circuits and components. It also relaxes the necessity of using auxiliary compensating components such as tapers, jumpers, and crossovers. The proposed coupler topology is theoretically analyzed through a T-matrix approach. The analysis comes up with design equations and diagrams that help choose the structural parameters for the desired specification. The simplicity and also the immunity against intrinsic parasitic effects within the proposed topology make it an excellent candidate for operation over any RF and millimeter-wave frequency bands, for applications such as automotive radar or E-band backhaul radio. To this end, a coupler based on the proposed scheme is realized for operation over 77 GHz and assessed through on-wafer measurements. Good agreement of the measured results with the simulated and analytical counterparts demonstrates the superior performance of the proposed 180° hybrid coupler.

Keywords

Passive components and circuits
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Issue 4 , May 2020 , pp. 293 - 302
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019

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References

1.Pozar, DM (1998) Power Dividers and Directional Couplers, Microwave Engineering, 2nd Edn.New York: Wiley Press, 362–375.Google Scholar
2.Maas, SA (1993) Microwave Mixers, 2nd Edn.Norwood, MA: Artech House Press.Google Scholar
3.Moghaddasi, J and Wu, K (2013) Unified radar-communication (RadCom) multi-port interferometer transceiver. Proc. Europ. Radar Conf., Nuremberg, Germany, Oct. 2013, 479–482.Google Scholar
4.Napijalo, V and Kearns, B (2008) Multilayer 180 hybrid coupler. IEEE Transactions on Microwave Theory and Techniques 56, 2525–2535.CrossRefGoogle Scholar
5.March, SA (1968) Wideband stripline hybrid ring. IEEE Transactions on Microwave Theory and Techniques MTT-16, 361.CrossRefGoogle Scholar
6.Rehnmark, S (1977) Wide-band balanced line microwave hybrids. IEEE Transactions on Microwave Theory and Techniques MTT-25, 825–830.CrossRefGoogle Scholar
7.Ho, C-H, Fan, L and Chang, K (1994) New uniplanar coplanar waveguide hybrid-ring couplers and magic-T's. IEEE Transactions on Microwave Theory and Techniques 42, 2440–2448.Google Scholar
8.Heimer, BR, Fan, L and Chang, K (1997) Uniplanar hybrid couplers using asymmetrical coplanar striplines. IEEE Transactions on Microwave Theory and Techniques 45, 2234–2240.CrossRefGoogle Scholar
9.Wang, T and Wu, K (1999) Size-reduction and band-broadening design technique of uniplanar hybrid ring coupler using phase inverter for M(H)MIC's. IEEE Transactions on Microwave Theory and Techniques 47, 198–206.CrossRefGoogle Scholar
10.Chang, C-Y and Yang, C-C (1999) A novel broad-band Chebyshev-response rat-race ring coupler. IEEE Transactions on Microwave Theory and Techniques 47, 435–462.Google Scholar
11.Mo, TT, Xue, Q and Chan, CH (2007) A broadband compact microstrip rat-race hybrid using a novel CPW inverter. IEEE Transactions on Microwave Theory and Techniques 55, 161–167.CrossRefGoogle Scholar
12.Chuang, M-L (2005) Miniaturized ring coupler of arbitrary reduced size. IEEE Microwave and Wireless Components Letters 15, 16–18.Google Scholar
13.Eccleston, KW and Ong, SHM (2003) Compact planar microstripline branch-line and rat-race couplers. IEEE Transactions on Microwave Theory and Techniques 51, 2119–2125.CrossRefGoogle Scholar
14.Kuo, J-T, Wu, J-S and Chiou, Y-C (2007) Miniaturized rat race coupler with suppression of spurious passband. IEEE Microwave and Wireless Components Letters 17, 46–48.CrossRefGoogle Scholar
15.Cheng, KM and Yeung, S (2013) A novel rat-race coupler with tunable power dividing ratio, ideal port isolation and return loss performance. IEEE Transactions on Microwave Theory and Techniques 61, 55–60.CrossRefGoogle Scholar
16.Cheng, KM and Chick, MJ (2013) A frequency-compensated rat-race coupler with wide bandwidth and tunable power dividing ratio. IEEE Transactions on Microwave Theory and Techniques 61, 2841–2847.CrossRefGoogle Scholar
17.Ang, KS, Leong, YC and Lee, CH (2002) A new class of multisection 180 hybrids based on cascadable hybrid-ring couplers. IEEE Transactions on Microwave Theory and Techniques 50, 2147–2152.Google Scholar
18.Park, MJ and Byungje, L (2005) Coupled line 180 deg hybrid coupler. Microwave and Optical Technology Letters 45, 173–176.CrossRefGoogle Scholar
19.Napijalo, V (2012) Coupled line 180° hybrids with Lange couplers. IEEE Transactions on Microwave Theory and Techniques 60, 3674–3682.CrossRefGoogle Scholar
20.Liu, H, Fang, S, Wang, Z and Fu, S (2014) Novel coupled line 180 hybrid with non-interspersed input output ports. IEEE Transactions on Microwave Theory and Techniques 62, 2641–2649.Google Scholar
21.Schiffman, BM (1958) A new class of broad-band microwave 90-degree phase shifters. IRE Transactions on Microwave Theory and Tech 6, 232–237.CrossRefGoogle Scholar
22.Quirarte, JLR and Starski, JP (1991) Synthesis of Schiffman phase shifters. IEEE Transactions on Microwave Theory and Techniques 39, 1885–1889.CrossRefGoogle Scholar
23.Quirarte, JLR and Starski, JP (1993) Novel Schiffman phase shifters. IEEE Transactions on Microwave Theory and Techniques 41, 9–14.CrossRefGoogle Scholar
24.Schiffman, BM (1966) Multisection microwave phase-shift network (Correspondence). IEEE Transactions on Microwave Theory and Techniques 14, 209.CrossRefGoogle Scholar
25.Schiek, B and Kohler, J (1977) A method for broad-band matching of microstrip differential phase shifters. IEEE Transactions on Microwave Theory and Techniques 25, 666–671.CrossRefGoogle Scholar
26.Guo, Y-X, Zhang, Z-Y and Ong, L-C (2006) Improved wide-band Schiffman phase shifter. IEEE Transactions on Microwave Theory and Techniques 54, 1196–1200.Google Scholar
27.Oraizi, H and Shamsafar, A (2012) Optimum design of modified Schiffman multi-section wide band differential phase shifter with impedance matching. Progress in Electromagnetics Research C 29, 1–16.CrossRefGoogle Scholar
28.Zhang, W, Liu, Y, Wu, Y, Wang, W, Su, M and Gao, J (2014) A modified coupled-line Schiffman phase shifter with short reference line. Progress in Electromagnetics Research C 54, 17–27.CrossRefGoogle Scholar
29.Dobrowolski, JA (1991) Introduction to Computer Methods for Microwave Circuit Analysis and Design, 1st Edn.Norwood, MA: Artech House Press, 22–52.Google Scholar
30.Frei, J, Cai, XD and Muller, S (2008) Multiport T-parameter and S-parameter conversion with symmetry extension. IEEE Transactions on Microwave Theory and Techniques 56, 2493–2504.CrossRefGoogle Scholar
31.Geogre, GI, Zysman, I and Johnson, AK (1969) Coupled transmission line networks in an inhomogeneous dielectric medium. IEEE Transactions on Microwave Theory and Techniques 17, 753–759.Google Scholar
32.Frickey, DA (1994) Conversions between S, Z, Y, H, ABCD, and T parameters which are valid for complex source and load impedances. IEEE Transactions on Microwave Theory and Techniques 42, 205–211.CrossRefGoogle Scholar
33.Marks, RB, Williams, DF and Frickey, DA (1995) Comments on “Conversions between S, Z, Y, h, ABCD, and T parameters which are valid for complex source and load impedances” [with reply]. IEEE Transactions on Microwave Theory and Techniques 43, 914–915.CrossRefGoogle Scholar
34.Alhalabi, H, Issa, H, Pistono, E, Kaddour, D, Podevin, F, Baheti, A and Ferrari, P (2018) Miniaturized branch-line coupler based on slow-wave microstrip lines. International Journal of Microwave and Wireless Technologies 10, 1103–1106.CrossRefGoogle Scholar