DESIGN AND REALIZATION OF SLOTTED WAVEGUIDE ANTENNA COMPOSITE FOR FREQUENCY S-BAND

• Main Author: Glaudira, Nadya
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/71421
• Institution: Institut Teknologi Bandung

Metals such as copper and aluminum are widely used in the manufacture of antennas because their high conductivity values provide high shielding effectiveness and loss low on the antenna. However, the weakness of the metal is that it has a high weight, relatively expensive production costs and poor corrosion resistance. Therefore, an alternative has emerged to overcome these weaknesses by replacing pure metal antenna materials using ABS materials with a 3D printer technique coated with copper metal using electroplating techniques. With its light weight, low fabrication costs, rigidity, high thermal and electrical conductivity and corrosion resistance, it is hoped that this non-metallic antenna will be a good alternative to pure metal antennas and have good performance as seen from the results of antenna parameter measurements. Slot antenna waveguide at this S-band frequency is used for the application radio detection and ranging (radar) when scanning targets. Election waveguide slots in designing arrays this is a very important part so that it can accommodate the needs of radar applications, namely having gain the big one,bandwidth width and power handling tall one. In designing this antenna using a working frequency of 2.9 GHz to 3.1 GHz with the design and simulation using software CST. Slot antenna design waveguide it meets the main specs expected with the s11< -10 dB, gain > 15dB and return loss < -10dB. According to the simulation performed, the results of composite antenna parameters are relatively the same compared to pure metal. It is hoped that for future developments these composite antennas will equal or exceed the performance of both pure metal antennas.