Theoretical and experimental investigations of a bilevel 'Lange' coupler

12th International Conference on Microwaves and Radar, MIKON 1998

Volumn 1, Issue , 1998, Pages 32-36

  Sachse, K ^a   Sawicki, A ^a   Jaworski, G ^a  

^a WROCLAW UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

3 DB COUPLERS; BILEVEL; CENTRE FREQUENCY; EXPERIMENTAL INVESTIGATIONS; FREQUENCY DEPENDENT PARAMETERS; HIGH-DIRECTIVITY; OPTIMUM THICKNESS; THIN DIELECTRIC LAYER;

RADAR;

EID: 56349164013     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MIKON.1998.737914     Document Type: Conference Paper

References (10)

1. J.L. Habdell et al., Low-loss Lange coupler, Electron. Lett., 1982, 18, pp. 120-121.
2. D. Bourreau et al., High-performance Lange coupler, Electron. Lett., 1992,28, pp. 1997-1998.
3. J. Siegl et al., General analysis of mterdlgitated microstrip couplers, Siemens Forsch. Entwick1.-Ber., 1981,10, pp. 228-236.
4. K. Sachse, A. Sawicki, Singular behaviour of normal-mode parameters of suspended three-A nd four-coupled microstrip lines and full-wave design of high directivity Lange couplers (in Polish), Proceed. of the HII National Symp. ofRadio Science, URSI '96, Wroclaw, Poland, pp. 59-62.
5. F. Sellberg, Formulas useful for the synthesis and optimization of general, uniform contradirectional couplers, IEEE Trans. MTT, 1990,38, pp. 1000-1010.
6. C. Tsai, K. Gupta, A general model for coupled lines and its application to two-layer planar circuits, IEEE Trans. MTT, 1992,40, pp. 2190-2197.
7. A. Djordjevic at al., Scattering Parameters of Microwave Networks with Multiconductor Transmission Lines, Software and User's Manual, Artech House, 1990.
8. F. Masot et al., Analysis and experimental validation of a type of three-microstrip directional coupler, IEEE Trans. MTT, 1994,42, pp. 1624-1631.
9. A. Sawicki, K. Sachse, Design of high directivity semi reentrant microstrip couplers, M Int. Microwave Conf: MK0%96,2, pp. 428-432.
10. K. Sachse et al., Wide-band microstrip and coplanar-type 3 dB directional couplers with quasiideal sections of coupled lines, submitted to the reviewers ofMK0N-98.