Independent control of resonant frequency and input impedance of a microstrip patch by individually biased varactor diodes

Electronics Letters

Volumn 32, Issue 4, 1996, Pages 284-286

  Haskins, P M ^a   Dahele, J S ^a  

^a CRANFIELD UNIVERSITY   (United Kingdom)

Author keywords

Microstrip antennas; Patch antennas; Tuning

Indexed keywords

ELECTRIC IMPEDANCE; NATURAL FREQUENCIES; SEMICONDUCTOR DIODES; TUNING; VARACTORS;

PATCH ANTENNAS; POLARIZATION AGILE ANTENNAS; VARACTOR DIODES;

MICROSTRIP ANTENNAS;

EID: 0030083594     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19960272     Document Type: Article

References (6)

1. DU PLESSIS, M., and CLOETE, J.: 'Tuning stubs for microstrip patch antennas', IEEE Antennas Propag. Mag., 1994, 30, (6), pp. 52-56
2. BHARTIA, P., and BAHL, I.J.: 'Frequency-agile microstrip antennas', Microw. J., 1982, pp. 67-70
3. WATERHOUSE, R.: 'Modelling of Schottky-barrier diode loaded microstrip array elements', Electron. Lett., 1992, 28, (19), pp. 1799-1801
4. HASKINS, P.M., and DAHELE, J.S.: 'Varactor-diode loaded passive polarization agile patch antenna', Electron. Lett., 1994, 30, (13), pp. 1074-1075
5. LONG, S.A., and MCALLISTER, M.W.: 'The impedance of an elliptical printed circuit antenna', IEEE Trans., 1982, AP-30, (6), pp. 1197-1200
6. SHARMA, P.C., and GUPTA, K.C: 'Analysis and optimised design of single feed circularly polarized microstrip antennas', IEEE Trans., 1983, AP-31, (6), pp. 949-955