Phase Array Characteristics
Objective
Test the characteristics of the phased array.
Proof of Concept
Connect the phased array to the 4-1 splitter and the sum of the splitter to the SMA connection on the spectrum analyzer and the signal generator is across the room acting as the transmitter. Once everything is set up, test to see if the phased array can receive signals from the transmitter. We performed this test by rotating the phased array from 0 to 180 degrees in steps of 10 degrees to find the radiation pattern of the phased array.
Methods
Need to ensure the radiation pattern of the phased array in order to know where the highest received power level of the whole array. Set up the phased array based on the highest received power of the antenna which is broad side out. Once the array is set up on the PVC panel connect all the antennas to the 4-1 SMA splitter and take the sum of the 4-1 splitter to the spectrum analyzer. Set up the spectrum analyzer and the signal generator to the 930 MHz frequency. Start transmitting the signal and rotate the panel from 0 to 180 degrees for the 30, 60 and 90 degree angles. At each of the different angles we rotated the panel and took the received power level at every 10 degrees.
Results
We were able to connect the phased array to the splitter, the splitter to the spectrum analyzer and signal generator. We rotated the phases array from 0 to 180 degrees in steps of 10 degrees and recorded the received power at that angle. All of the received powers were then normalized and graphed on MATLAB to get the radiation pattern of our phased array.
Radiation Pattern
90 Degree Results
Radiation Pattern
60 Degree Results
Radiation Pattern
30 Degree Results
Images
Radiation Pattern
Radiation Pattern Set Up
Phased Array Set Up
Step Up Booster Pinout