http://dyuthi.cusat.ac.in:80/xmlui/handle/purl/951 2013-06-18T04:43:47Z http://dyuthi.cusat.ac.in:80/xmlui/handle/purl/1585 Circularly polarized Compact Microstrip Antenna Vasudevan,K; Aanandan,C K; Mohanan,P; Manju,Paulson; Sona,O Kundukulam 2000-03-14T00:00:00Z http://dyuthi.cusat.ac.in:80/xmlui/handle/purl/1556 A Compact Electronically Reconfigurable Dual Frequency Microstrip Antenna for L-Band Applications Vasudevan,K; Mohanan,P; Aanandan,C K; Shynu,S V; Gijo,Augustin A novel design of a computer electronically reconfigurable dual frequency dual polarized single feed hexagonal slot loaded microstrip antenna in L-band is introduced in this chapter. pin diodes are used to switch the operating frequencies considerably without much affecting the radiation characteristics and gain. the antenna can work with a frequency ratio varying in the wide range from 1.2 to 1.4. the proposed design has an added advantage of size reduction up to 72.21% and 46.84% for the two resonating frequencies compared to standard rectangular patches. the design also gives considerable bandwidth of up to 2.82% and 2.42 % for the operating frequencies. 2004-01-01T00:00:00Z