International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE)
Sinuous antenna, the most recent frequency independent antenna, invented by the researcher in the year 1987 is a derivative of spiral antenna. It has identical sinuous arms extending outward from a common point and arranged symmetrically on a surface comprising of bends and curves. Each cell is interleaved without connecting between adjacent cells of other arm. The major advantages of sinuous antenna are in terms of polarization, bandwidth and its self-complementary structure. It can provide dual linear as well as dual circular polarization and is having a flexible bandwidth. It is also having a low profile geometry compared to other patch antennas for similar performances.