Small antenna input impedances that contradict Chu-Wheeler Q criterion

Electronics Letters

Volumn 39, Issue 11, 2003, Pages 828-830

  Underhill, M J ^a   Harper, M ^a  

^a UNIVERSITY OF SURREY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC IMPEDANCE; BANDWIDTH; EQUIVALENT CIRCUITS; SENSORS;

ANTENNA MODE EXPANSION;

DIPOLE ANTENNAS;

EID: 0038002636     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20030540     Document Type: Article

References (9)

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2. WHEELER, H.A.: 'Fundamental limitations of small antennas', Proc IRE, December 1947, pp. 1479-1488
3. MACLEAN, J.S.: 'A re-examination of the fundamental limits on the radiation Q of electrically small antennas', IEEE Trans Antennas Propagat., 1996, 44, pp. 672-676
4. HANSEN, R.C.: 'Fundamental limitations in antennas', Proc IEEE, 1981, 69, (2), pp. 170-182
5. BALANIS, C.A.: 'Antenna theory - analysis and design' (Wiley, 1997, 2nd edn.), Section 11.5, 0-471-59268-4
6. GRIMES, D.M., and GRIMES, C.A.: 'Minimum Q of electrically small antennas', Microw. Opt. Technol. Lett., 2001, 28, (3)
7. UNDERBILL, M.J., and HARPER, M.: 'Simple circuit model of small tuned loop antenna including observable environmental effects', Electron. Lett., 38, (18), pp. 1006-1008
8. ABRAMOVITZ, M., and STEGUN, I.A.: 'Handbook of mathematical functions' (Dover, 1972), Chap. 10, 0-486-61272-4
9. UNDERHILL, M.J., and BLEWETT, M.J.: 'Magnetic loop or small folded dipole?'. HF Radio Systems and Techniques Conf., 7-10 July 1997, pp. 216-225 (IEE Conference Publication No. 411)