New wideband, 0.67λgcircumference 180° hybrid ring coupler

Electronics Letters

Volumn 30, Issue 4, 1994, Pages 299-300

  Murgulescu, M H ^a   Moisan, E ^a   Legaud, P ^a   Penard, E ^a   Zaquine, I ^b  

^a ORANGE LABS   (France)

^b INSTITUT NATIONAL DES TÉLÉCOMMUNICATIONS   (France)

Author keywords

MMICs; Transmission lines; Waveguide couplers

Indexed keywords

ELECTRIC FIELD EFFECTS; ELECTRIC IMPEDANCE; ELECTRIC LOSSES; ELECTRIC NETWORK TOPOLOGY; ELECTRIC VARIABLES MEASUREMENT; IMPEDANCE MATCHING (ELECTRIC); MATHEMATICAL MODELS; MONOLITHIC INTEGRATED CIRCUITS; PHASE SHIFT; STRIP TELECOMMUNICATION LINES; SUBSTRATES;

BANDWIDTH; COPLANAR WAVEGUIDES; CROSSOVER; HYBRID RING COUPLER; MONOLITHIC MICROWAVE INTEGRATED CIRCUITS; PHASE BALANCE;

WAVEGUIDE COUPLERS;

EID: 0028374714     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19940234     Document Type: Article

References (6)

1. MARCH, S.: 'A wideband stripline ring hybrid’, IEEE Tran., 1968, MTT-16, pp. 361
2. KIM, D.I., and YANG, G.S.: ‘Broad-band design of improved hybrid-ring 3-dB directional coupler’, IEEE Trans. 1982, MTT-30, pp. 2040–2046
3. KIM, D.I., and YANG, G.S.: ‘Design of a new hybrid-ring directional coupler using λ/8 or λ/6 sections’, IEEE Trans., 1991, MTT-39, pp. 1179–1783
4. COUPEZ, J.P., PEDEN, A., and PERSON, C.: ‘Analysis and design of ultra miniature hybrid ring directional coupler’. Proc. European Microwave Conf., 1991, pp. 443–447
5. MURGULESCU, M.-H., LEGAUD, P., MOISAN, E., PENARD, E., and ZAQUINE, I.: ‘Miniaturized wideband hybrid ring couplers: theory and experiment’. Submitted to IEEE MTT-S Symp., 1994
6. COHN, S.B.: ‘Slot-line on a dielectric substrate’, IEEE Trans., 1969, MTT-19, pp. 773–774