The experimental results showed good agreement with the simulated results. All designs were simulated, manufactured and measured. Two commercial software programs that were used in the design and development of integrated SIW filter and antenna bandpass filter namely Advanced Design System (ADS) software, and CST Studio Suite software.
Integrated method using cascaded and multilayer are developed from the combination between SIW filter and patch antenna. Meanwhile, microstrip patch antenna was designed based on the procedures and techniques in order to integrate with SIW filter. The concept of SIW was formulated from a standard conventional rectangular waveguide by a set of design rules. The second and third design process were developed using planar structure based on SIW technology and patch antenna. The next process involved the designing of Chebyshev bandpass for filter, antenna and integrated filter and antenna at desired frequency based on single- and dual-mode. The first design process was developed using the basic concept of filter with the characteristics of the circuit transformation of lowpass prototype network for filter, antenna and integrated filter and antenna with the sequence procedure as a starting point. Integrated method contributes to the reduction of the overall design size in front-end subsystems as well as in manufacturing cost. This thesis presents the design and development of an integrated substrate integrated waveguide (SIW) filter and microstrip patch antenna, which utilizes cascaded and multilayered techniques.
But this won't be same as the actual as there is a ground plane below.
Removing the bottom ground plane in my above simulation gave me a 9dB return loss. In this case should I also select this plane as a negative port pin as well? However, I do also get a ground plane underneath of this line. Based on the impedance calculation, the RF feeder width is calculate as considering it as a CPW. I am also bit not clear on applying discrete port positive and negative port pin definitions. In this case should I draw a one big ground plane with the same size as the circuit? I have attached an image of the actual top layer and bottom(Blue - Ground) layer PCB design.Īs you can see, the blue color ground plane is not completely a plane.
Is it ok to add the entire ground plane and then add matching network separately? What I wanted is to do a simulation on just the antenna section and then add separate lumped element matching network so that I can match with the impedance of the nRF chip ANT port.
0 kommentar(er)
