Desain dan Karakteristik Antena Microstrip Sebagai Sensor Non – Destructive

Non-destructive is a non-invasive technique to determine the integrity of the material, the structure of the object without destroying the test object. The microstrip antenna is a metal conductor attached to the ground plane in which there is a dielectric material. The design of the microstrip antenna in this study used CST StudioSuite2019. 1) design on the CST suite studio microstrip antenna with predetermined characteristics. 2) Can understand the design of the microstrip antenna using the CST suite studio. 3) Applying a microstrip antenna which is designed as a Non-destructive sensor on the test equipment on the concentration of sugar solution. 4) can design a microstrip antenna using FR-4 (lossy) material. There are several antenna designs that must be done, namely determining the antenna parameters, determining the substrate material, patch, ground plane and calculating the dimensions of the patch, substrate and ground. Testing A&B antennas using VNA. The results of the measurement of S11 Antenna A, the more concentrated the sugar content in the solution, the S11 increases, while the Phase is irregular. The results of the measurement of S11 Antenna B, the more concentrated the sugar content in the solution, the S11 value is irregular, while the constant phase increases. The results of testing antenna A for sugar solution content using VNA showed an increase in sugar content in the air, the S11 value of the antenna increased while the phase became irregular. The results of the antenna B test for the sugar solution content using VNA, the sugar content in the air then the S11 value is irregular while in the constant phase it increases.