Abstract
Microstrip antenna as a supporter of wireless communication, which is the development of conventional antenna, has various advantages contained its predecessor, one of which has a patch that can be modified according to the wishes of the user. Microstrip antenna Log Periodic Dipole Array with Defected Ground Structure is one of the patch modification of antenna that allows antenna to work on wideband frequency 12-18 GHz (Ku-Band). Its use is intended for communication on satellites. In this research, will be designed and realized microstrip antenna with modification of Log Periodic Dipole Array patch working on frequency 12-18 GHz (Ku-band). The design will also use modifications to the ground structure with the use of slots using microstrip line feeding techniques. In this research, microstrip antenna design of Log Periodic Dipole Array with Defected Ground Structure works on 12-18 GHz (Ku-Band) frequency using slot using microstrip line feeding technique, which designed by using application of electromagnetic simulator (Integrated Software). The desired specifications are; gain ≥ 6 dBi, VSWR <2, as well as 6 GHz bandwidth, with unidirectional radiation pattern and linear polarization. Substrate materials used in design are Roger 5880 Duroid with a relative permittivity of 2.2 and a dielectric thickness of 1.57mm. Measurement results on the realization of this tool; return loss on each of the 12, 15, 18 GHz frequency markers of -25,457 dB, -12,939 dB, and -11.004 dB; with the value of VSWR 1.112, 1.593, 1.786. Impedance of 44,988 Ω, 34,129 Ω, 27,792 Ω. Gain respectively of 8.907 dB, 8.931 dB, 8.774 dB. Bandwidth 6 GHz. Unidirectional radiation pattern and elliptical polarization.
Highlights
The progress of information and communication technology development, especially in the field of telecommunication today is very fast moving
The uneasiness that is felt from the high demand of customers is what makes the need of a device provider of a wireless network, the antenna itself.[1]. In this Research, microstrip antenna will be designed which is the development of conventional antenna and has many advantages compared to its predecessor, the dimension of the antenna is small, light and thin, easy production process because the material is easy to find in the market.[2]
Thickness: 1.57 mm The patch form used is the Log Periodic Dipole Array because of its superiority in overcoming the lack of microstrip antenna that has a narrow bandwidth, by adding several elements in-array, so that large bandwidth can be achieved, depending on the amount of working frequency of the desired antenna. This proposed antenna is designed in the following steps which are explained as: 2.1 Log periodic dipole array MSP antenna without DGS
Summary
The progress of information and communication technology development, especially in the field of telecommunication today is very fast moving. The uneasiness that is felt from the high demand of customers is what makes the need of a device provider of a wireless network, the antenna itself.[1]. In this Research, microstrip antenna will be designed which is the development of conventional antenna and has many advantages compared to its predecessor, the dimension of the antenna is small, light and thin, easy production process because the material is easy to find in the market.[2] there are some disadvantages such as small bandwidth and small gain. The design will use the application of electromagnetic simulator (Integrated Software)
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